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Finding the Fourth Proportional to 282,348.36, 423,585.72 and 95,355

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Solution

The fourth proportional to 282,348.36, 423,585.72 and 95,355 is: 143,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,348.36 : 423,585.72 = 95,355 : x
  2. Step 2: Convert to fraction form
    282,348.36/423,585.72 = 95,355/x
  3. Step 3: Cross multiply
    282,348.36x = 423,585.72 × 95,355
  4. Step 4: Simplify right side
    282,348.36x = 40,391,016,330.60
  5. Step 5: Solve for x
    x = 40,391,016,330.60/282,348.36
  6. Step 6: Final answer
    x = 143,053.84

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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.