Home / 238,931.10-329,730.75-131,491.08

Finding the Fourth Proportional to 238,931.10, 329,730.75 and 131,491.08

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Solution

The fourth proportional to 238,931.10, 329,730.75 and 131,491.08 is: 181,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,931.10 : 329,730.75 = 131,491.08 : x
  2. Step 2: Convert to fraction form
    238,931.10/329,730.75 = 131,491.08/x
  3. Step 3: Cross multiply
    238,931.10x = 329,730.75 × 131,491.08
  4. Step 4: Simplify right side
    238,931.10x = 43,356,652,426.71
  5. Step 5: Solve for x
    x = 43,356,652,426.71/238,931.10
  6. Step 6: Final answer
    x = 181,460.90

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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.