Home / 311,857.10-467,785.65-101,516.30

Finding the Fourth Proportional to 311,857.10, 467,785.65 and 101,516.30

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Solution

The fourth proportional to 311,857.10, 467,785.65 and 101,516.30 is: 152,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,857.10 : 467,785.65 = 101,516.30 : x
  2. Step 2: Convert to fraction form
    311,857.10/467,785.65 = 101,516.30/x
  3. Step 3: Cross multiply
    311,857.10x = 467,785.65 × 101,516.30
  4. Step 4: Simplify right side
    311,857.10x = 47,487,868,381.10
  5. Step 5: Solve for x
    x = 47,487,868,381.10/311,857.10
  6. Step 6: Final answer
    x = 152,274.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.