Home / 402,917.60-604,595.10-166,284.20

Finding the Fourth Proportional to 402,917.60, 604,595.10 and 166,284.20

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Solution

The fourth proportional to 402,917.60, 604,595.10 and 166,284.20 is: 249,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,917.60 : 604,595.10 = 166,284.20 : x
  2. Step 2: Convert to fraction form
    402,917.60/604,595.10 = 166,284.20/x
  3. Step 3: Cross multiply
    402,917.60x = 604,595.10 × 166,284.20
  4. Step 4: Simplify right side
    402,917.60x = 100,534,612,527.42
  5. Step 5: Solve for x
    x = 100,534,612,527.42/402,917.60
  6. Step 6: Final answer
    x = 249,516.56

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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.