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Finding the Fourth Proportional to 290,488, 435,732 and 93,496

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Solution

The fourth proportional to 290,488, 435,732 and 93,496 is: 140,244

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,488 : 435,732 = 93,496 : x
  2. Step 2: Convert to fraction form
    290,488/435,732 = 93,496/x
  3. Step 3: Cross multiply
    290,488x = 435,732 × 93,496
  4. Step 4: Simplify right side
    290,488x = 40,739,199,072
  5. Step 5: Solve for x
    x = 40,739,199,072/290,488
  6. Step 6: Final answer
    x = 140,244

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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.