Home / 440,731.67-661,284.29-240,818.50

Finding the Fourth Proportional to 440,731.67, 661,284.29 and 240,818.50

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Solution

The fourth proportional to 440,731.67, 661,284.29 and 240,818.50 is: 361,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,731.67 : 661,284.29 = 240,818.50 : x
  2. Step 2: Convert to fraction form
    440,731.67/661,284.29 = 240,818.50/x
  3. Step 3: Cross multiply
    440,731.67x = 661,284.29 × 240,818.50
  4. Step 4: Simplify right side
    440,731.67x = 159,249,489,740.20
  5. Step 5: Solve for x
    x = 159,249,489,740.20/440,731.67
  6. Step 6: Final answer
    x = 361,329.81

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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.