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Finding the Fourth Proportional to 238,566.60, 358,010.82 and 98,322.12

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Solution

The fourth proportional to 238,566.60, 358,010.82 and 98,322.12 is: 147,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,566.60 : 358,010.82 = 98,322.12 : x
  2. Step 2: Convert to fraction form
    238,566.60/358,010.82 = 98,322.12/x
  3. Step 3: Cross multiply
    238,566.60x = 358,010.82 × 98,322.12
  4. Step 4: Simplify right side
    238,566.60x = 35,200,382,805.34
  5. Step 5: Solve for x
    x = 35,200,382,805.34/238,566.60
  6. Step 6: Final answer
    x = 147,549.50

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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.