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Finding the Fourth Proportional to 553,602.60, 830,403.90 and 179,625.60

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Solution

The fourth proportional to 553,602.60, 830,403.90 and 179,625.60 is: 269,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,602.60 : 830,403.90 = 179,625.60 : x
  2. Step 2: Convert to fraction form
    553,602.60/830,403.90 = 179,625.60/x
  3. Step 3: Cross multiply
    553,602.60x = 830,403.90 × 179,625.60
  4. Step 4: Simplify right side
    553,602.60x = 149,161,798,779.84
  5. Step 5: Solve for x
    x = 149,161,798,779.84/553,602.60
  6. Step 6: Final answer
    x = 269,438.40

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.