Home / 437,132.16-655,668.14-268,678.49

Finding the Fourth Proportional to 437,132.16, 655,668.14 and 268,678.49

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Solution

The fourth proportional to 437,132.16, 655,668.14 and 268,678.49 is: 402,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,132.16 : 655,668.14 = 268,678.49 : x
  2. Step 2: Convert to fraction form
    437,132.16/655,668.14 = 268,678.49/x
  3. Step 3: Cross multiply
    437,132.16x = 655,668.14 × 268,678.49
  4. Step 4: Simplify right side
    437,132.16x = 176,163,921,174.58
  5. Step 5: Solve for x
    x = 176,163,921,174.58/437,132.16
  6. Step 6: Final answer
    x = 402,999.22

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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.