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Finding the Fourth Proportional to 144,496.19, 216,722.42 and 39,323.36

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Solution

The fourth proportional to 144,496.19, 216,722.42 and 39,323.36 is: 58,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,496.19 : 216,722.42 = 39,323.36 : x
  2. Step 2: Convert to fraction form
    144,496.19/216,722.42 = 39,323.36/x
  3. Step 3: Cross multiply
    144,496.19x = 216,722.42 × 39,323.36
  4. Step 4: Simplify right side
    144,496.19x = 8,522,253,545.11
  5. Step 5: Solve for x
    x = 8,522,253,545.11/144,496.19
  6. Step 6: Final answer
    x = 58,979.09

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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.