Home / 291,488.16-402,439.38-237,900.96

Finding the Fourth Proportional to 291,488.16, 402,439.38 and 237,900.96

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Solution

The fourth proportional to 291,488.16, 402,439.38 and 237,900.96 is: 328,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,488.16 : 402,439.38 = 237,900.96 : x
  2. Step 2: Convert to fraction form
    291,488.16/402,439.38 = 237,900.96/x
  3. Step 3: Cross multiply
    291,488.16x = 402,439.38 × 237,900.96
  4. Step 4: Simplify right side
    291,488.16x = 95,740,714,843.80
  5. Step 5: Solve for x
    x = 95,740,714,843.80/291,488.16
  6. Step 6: Final answer
    x = 328,454.90

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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.