Home / 354,095.80-531,226.57-140,875.78

Finding the Fourth Proportional to 354,095.80, 531,226.57 and 140,875.78

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Solution

The fourth proportional to 354,095.80, 531,226.57 and 140,875.78 is: 211,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,095.80 : 531,226.57 = 140,875.78 : x
  2. Step 2: Convert to fraction form
    354,095.80/531,226.57 = 140,875.78/x
  3. Step 3: Cross multiply
    354,095.80x = 531,226.57 × 140,875.78
  4. Step 4: Simplify right side
    354,095.80x = 74,836,955,414.98
  5. Step 5: Solve for x
    x = 74,836,955,414.98/354,095.80
  6. Step 6: Final answer
    x = 211,346.63

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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.