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Finding the Fourth Proportional to 238,759.91, 358,142.67 and 94,700.86

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Solution

The fourth proportional to 238,759.91, 358,142.67 and 94,700.86 is: 142,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,759.91 : 358,142.67 = 94,700.86 : x
  2. Step 2: Convert to fraction form
    238,759.91/358,142.67 = 94,700.86/x
  3. Step 3: Cross multiply
    238,759.91x = 358,142.67 × 94,700.86
  4. Step 4: Simplify right side
    238,759.91x = 33,916,417,956.34
  5. Step 5: Solve for x
    x = 33,916,417,956.34/238,759.91
  6. Step 6: Final answer
    x = 142,052.40

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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.