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Finding the Fourth Proportional to 238,226.88, 328,753.75 and 130,803.87

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Solution

The fourth proportional to 238,226.88, 328,753.75 and 130,803.87 is: 180,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,226.88 : 328,753.75 = 130,803.87 : x
  2. Step 2: Convert to fraction form
    238,226.88/328,753.75 = 130,803.87/x
  3. Step 3: Cross multiply
    238,226.88x = 328,753.75 × 130,803.87
  4. Step 4: Simplify right side
    238,226.88x = 43,002,262,777.01
  5. Step 5: Solve for x
    x = 43,002,262,777.01/238,226.88
  6. Step 6: Final answer
    x = 180,509.70

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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.