Home / 238,042.28-328,487.35-130,609.64

Finding the Fourth Proportional to 238,042.28, 328,487.35 and 130,609.64

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Solution

The fourth proportional to 238,042.28, 328,487.35 and 130,609.64 is: 180,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,042.28 : 328,487.35 = 130,609.64 : x
  2. Step 2: Convert to fraction form
    238,042.28/328,487.35 = 130,609.64/x
  3. Step 3: Cross multiply
    238,042.28x = 328,487.35 × 130,609.64
  4. Step 4: Simplify right side
    238,042.28x = 42,903,612,559.09
  5. Step 5: Solve for x
    x = 42,903,612,559.09/238,042.28
  6. Step 6: Final answer
    x = 180,235.27

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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.