Home / 238,470.40-357,705.60-60,991.30

Finding the Fourth Proportional to 238,470.40, 357,705.60 and 60,991.30

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Solution

The fourth proportional to 238,470.40, 357,705.60 and 60,991.30 is: 91,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,470.40 : 357,705.60 = 60,991.30 : x
  2. Step 2: Convert to fraction form
    238,470.40/357,705.60 = 60,991.30/x
  3. Step 3: Cross multiply
    238,470.40x = 357,705.60 × 60,991.30
  4. Step 4: Simplify right side
    238,470.40x = 21,816,929,561.28
  5. Step 5: Solve for x
    x = 21,816,929,561.28/238,470.40
  6. Step 6: Final answer
    x = 91,486.95

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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.