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Finding the Fourth Proportional to 435,392.40, 653,340.81 and 182,650.50

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Solution

The fourth proportional to 435,392.40, 653,340.81 and 182,650.50 is: 274,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,392.40 : 653,340.81 = 182,650.50 : x
  2. Step 2: Convert to fraction form
    435,392.40/653,340.81 = 182,650.50/x
  3. Step 3: Cross multiply
    435,392.40x = 653,340.81 × 182,650.50
  4. Step 4: Simplify right side
    435,392.40x = 119,333,025,616.91
  5. Step 5: Solve for x
    x = 119,333,025,616.91/435,392.40
  6. Step 6: Final answer
    x = 274,081.55

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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.