Home / 238,710.83-329,431.37-131,284.76

Finding the Fourth Proportional to 238,710.83, 329,431.37 and 131,284.76

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Solution

The fourth proportional to 238,710.83, 329,431.37 and 131,284.76 is: 181,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,710.83 : 329,431.37 = 131,284.76 : x
  2. Step 2: Convert to fraction form
    238,710.83/329,431.37 = 131,284.76/x
  3. Step 3: Cross multiply
    238,710.83x = 329,431.37 × 131,284.76
  4. Step 4: Simplify right side
    238,710.83x = 43,249,316,043.34
  5. Step 5: Solve for x
    x = 43,249,316,043.34/238,710.83
  6. Step 6: Final answer
    x = 181,178.70

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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.