Home / 421,740.59-581,987.56-240,510.92

Finding the Fourth Proportional to 421,740.59, 581,987.56 and 240,510.92

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Solution

The fourth proportional to 421,740.59, 581,987.56 and 240,510.92 is: 331,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,740.59 : 581,987.56 = 240,510.92 : x
  2. Step 2: Convert to fraction form
    421,740.59/581,987.56 = 240,510.92/x
  3. Step 3: Cross multiply
    421,740.59x = 581,987.56 × 240,510.92
  4. Step 4: Simplify right side
    421,740.59x = 139,974,363,484.16
  5. Step 5: Solve for x
    x = 139,974,363,484.16/421,740.59
  6. Step 6: Final answer
    x = 331,896.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.