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Finding the Fourth Proportional to 232,118.91, 348,148.72 and 89,866.87

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Solution

The fourth proportional to 232,118.91, 348,148.72 and 89,866.87 is: 134,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,118.91 : 348,148.72 = 89,866.87 : x
  2. Step 2: Convert to fraction form
    232,118.91/348,148.72 = 89,866.87/x
  3. Step 3: Cross multiply
    232,118.91x = 348,148.72 × 89,866.87
  4. Step 4: Simplify right side
    232,118.91x = 31,287,033,570.83
  5. Step 5: Solve for x
    x = 31,287,033,570.83/232,118.91
  6. Step 6: Final answer
    x = 134,788.82

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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.