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Finding the Fourth Proportional to 238,763.60, 358,335.48 and 133,562.96

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Solution

The fourth proportional to 238,763.60, 358,335.48 and 133,562.96 is: 200,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,763.60 : 358,335.48 = 133,562.96 : x
  2. Step 2: Convert to fraction form
    238,763.60/358,335.48 = 133,562.96/x
  3. Step 3: Cross multiply
    238,763.60x = 358,335.48 × 133,562.96
  4. Step 4: Simplify right side
    238,763.60x = 47,860,347,381.82
  5. Step 5: Solve for x
    x = 47,860,347,381.82/238,763.60
  6. Step 6: Final answer
    x = 200,450.77

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1.5x scale

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.