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Finding the Fourth Proportional to 453,829.60, 680,744.40 and 121,405.60

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Solution

The fourth proportional to 453,829.60, 680,744.40 and 121,405.60 is: 182,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,829.60 : 680,744.40 = 121,405.60 : x
  2. Step 2: Convert to fraction form
    453,829.60/680,744.40 = 121,405.60/x
  3. Step 3: Cross multiply
    453,829.60x = 680,744.40 × 121,405.60
  4. Step 4: Simplify right side
    453,829.60x = 82,646,182,328.64
  5. Step 5: Solve for x
    x = 82,646,182,328.64/453,829.60
  6. Step 6: Final answer
    x = 182,108.40

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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.