Home / 238,798.12-329,539.02-131,368.30

Finding the Fourth Proportional to 238,798.12, 329,539.02 and 131,368.30

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Solution

The fourth proportional to 238,798.12, 329,539.02 and 131,368.30 is: 181,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,798.12 : 329,539.02 = 131,368.30 : x
  2. Step 2: Convert to fraction form
    238,798.12/329,539.02 = 131,368.30/x
  3. Step 3: Cross multiply
    238,798.12x = 329,539.02 × 131,368.30
  4. Step 4: Simplify right side
    238,798.12x = 43,290,980,841.07
  5. Step 5: Solve for x
    x = 43,290,980,841.07/238,798.12
  6. Step 6: Final answer
    x = 181,286.94

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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.