Home / 315,977.01-474,302.85-136,151.18

Finding the Fourth Proportional to 315,977.01, 474,302.85 and 136,151.18

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Solution

The fourth proportional to 315,977.01, 474,302.85 and 136,151.18 is: 204,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,977.01 : 474,302.85 = 136,151.18 : x
  2. Step 2: Convert to fraction form
    315,977.01/474,302.85 = 136,151.18/x
  3. Step 3: Cross multiply
    315,977.01x = 474,302.85 × 136,151.18
  4. Step 4: Simplify right side
    315,977.01x = 64,576,890,448.46
  5. Step 5: Solve for x
    x = 64,576,890,448.46/315,977.01
  6. Step 6: Final answer
    x = 204,372.12

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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.