Home / 238,210.88-328,733.76-130,778.61

Finding the Fourth Proportional to 238,210.88, 328,733.76 and 130,778.61

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Solution

The fourth proportional to 238,210.88, 328,733.76 and 130,778.61 is: 180,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,210.88 : 328,733.76 = 130,778.61 : x
  2. Step 2: Convert to fraction form
    238,210.88/328,733.76 = 130,778.61/x
  3. Step 3: Cross multiply
    238,210.88x = 328,733.76 × 130,778.61
  4. Step 4: Simplify right side
    238,210.88x = 42,991,342,714.91
  5. Step 5: Solve for x
    x = 42,991,342,714.91/238,210.88
  6. Step 6: Final answer
    x = 180,475.98

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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.