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Finding the Fourth Proportional to 364,602.98, 546,959.16 and 127,903.96

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Solution

The fourth proportional to 364,602.98, 546,959.16 and 127,903.96 is: 191,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,602.98 : 546,959.16 = 127,903.96 : x
  2. Step 2: Convert to fraction form
    364,602.98/546,959.16 = 127,903.96/x
  3. Step 3: Cross multiply
    364,602.98x = 546,959.16 × 127,903.96
  4. Step 4: Simplify right side
    364,602.98x = 69,958,242,522.27
  5. Step 5: Solve for x
    x = 69,958,242,522.27/364,602.98
  6. Step 6: Final answer
    x = 191,875.13

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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.