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Finding the Fourth Proportional to 253,356.51, 380,088.93 and 93,432.87

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Solution

The fourth proportional to 253,356.51, 380,088.93 and 93,432.87 is: 140,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,356.51 : 380,088.93 = 93,432.87 : x
  2. Step 2: Convert to fraction form
    253,356.51/380,088.93 = 93,432.87/x
  3. Step 3: Cross multiply
    253,356.51x = 380,088.93 × 93,432.87
  4. Step 4: Simplify right side
    253,356.51x = 35,512,799,585.13
  5. Step 5: Solve for x
    x = 35,512,799,585.13/253,356.51
  6. Step 6: Final answer
    x = 140,169.28

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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.