Home / 406,272.02-609,180.10-278,332.83

Finding the Fourth Proportional to 406,272.02, 609,180.10 and 278,332.83

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Solution

The fourth proportional to 406,272.02, 609,180.10 and 278,332.83 is: 417,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,272.02 : 609,180.10 = 278,332.83 : x
  2. Step 2: Convert to fraction form
    406,272.02/609,180.10 = 278,332.83/x
  3. Step 3: Cross multiply
    406,272.02x = 609,180.10 × 278,332.83
  4. Step 4: Simplify right side
    406,272.02x = 169,554,820,516.85
  5. Step 5: Solve for x
    x = 169,554,820,516.85/406,272.02
  6. Step 6: Final answer
    x = 417,343.10

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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.