Home / 238,562.72-357,845.60-70,082.36

Finding the Fourth Proportional to 238,562.72, 357,845.60 and 70,082.36

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Solution

The fourth proportional to 238,562.72, 357,845.60 and 70,082.36 is: 105,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,562.72 : 357,845.60 = 70,082.36 : x
  2. Step 2: Convert to fraction form
    238,562.72/357,845.60 = 70,082.36/x
  3. Step 3: Cross multiply
    238,562.72x = 357,845.60 × 70,082.36
  4. Step 4: Simplify right side
    238,562.72x = 25,078,662,549.59
  5. Step 5: Solve for x
    x = 25,078,662,549.59/238,562.72
  6. Step 6: Final answer
    x = 105,123.98

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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.