Home / 238,913.32-329,700.42-131,491

Finding the Fourth Proportional to 238,913.32, 329,700.42 and 131,491

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Solution

The fourth proportional to 238,913.32, 329,700.42 and 131,491 is: 181,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,913.32 : 329,700.42 = 131,491 : x
  2. Step 2: Convert to fraction form
    238,913.32/329,700.42 = 131,491/x
  3. Step 3: Cross multiply
    238,913.32x = 329,700.42 × 131,491
  4. Step 4: Simplify right side
    238,913.32x = 43,352,637,926.22
  5. Step 5: Solve for x
    x = 43,352,637,926.22/238,913.32
  6. Step 6: Final answer
    x = 181,457.60

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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.