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Finding the Fourth Proportional to 238,105.65, 328,575.51 and 130,677.51

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Solution

The fourth proportional to 238,105.65, 328,575.51 and 130,677.51 is: 180,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,105.65 : 328,575.51 = 130,677.51 : x
  2. Step 2: Convert to fraction form
    238,105.65/328,575.51 = 130,677.51/x
  3. Step 3: Cross multiply
    238,105.65x = 328,575.51 × 130,677.51
  4. Step 4: Simplify right side
    238,105.65x = 42,937,429,493.78
  5. Step 5: Solve for x
    x = 42,937,429,493.78/238,105.65
  6. Step 6: Final answer
    x = 180,329.32

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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.