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Finding the Fourth Proportional to 238,074.77, 328,547.20 and 130,654.80

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Solution

The fourth proportional to 238,074.77, 328,547.20 and 130,654.80 is: 180,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,074.77 : 328,547.20 = 130,654.80 : x
  2. Step 2: Convert to fraction form
    238,074.77/328,547.20 = 130,654.80/x
  3. Step 3: Cross multiply
    238,074.77x = 328,547.20 × 130,654.80
  4. Step 4: Simplify right side
    238,074.77x = 42,926,267,884.60
  5. Step 5: Solve for x
    x = 42,926,267,884.60/238,074.77
  6. Step 6: Final answer
    x = 180,305.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.