Home / 347,582.13-521,376.38-137,220.06

Finding the Fourth Proportional to 347,582.13, 521,376.38 and 137,220.06

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Solution

The fourth proportional to 347,582.13, 521,376.38 and 137,220.06 is: 205,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,582.13 : 521,376.38 = 137,220.06 : x
  2. Step 2: Convert to fraction form
    347,582.13/521,376.38 = 137,220.06/x
  3. Step 3: Cross multiply
    347,582.13x = 521,376.38 × 137,220.06
  4. Step 4: Simplify right side
    347,582.13x = 71,543,298,146.18
  5. Step 5: Solve for x
    x = 71,543,298,146.18/347,582.13
  6. Step 6: Final answer
    x = 205,831.35

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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.