Home / 238,049.40-328,497.18-130,616.76

Finding the Fourth Proportional to 238,049.40, 328,497.18 and 130,616.76

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Solution

The fourth proportional to 238,049.40, 328,497.18 and 130,616.76 is: 180,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,049.40 : 328,497.18 = 130,616.76 : x
  2. Step 2: Convert to fraction form
    238,049.40/328,497.18 = 130,616.76/x
  3. Step 3: Cross multiply
    238,049.40x = 328,497.18 × 130,616.76
  4. Step 4: Simplify right side
    238,049.40x = 42,907,237,320.74
  5. Step 5: Solve for x
    x = 42,907,237,320.74/238,049.40
  6. Step 6: Final answer
    x = 180,245.10

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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.