Home / 305,013.42-457,335.45-136,502.37

Finding the Fourth Proportional to 305,013.42, 457,335.45 and 136,502.37

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Solution

The fourth proportional to 305,013.42, 457,335.45 and 136,502.37 is: 204,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,013.42 : 457,335.45 = 136,502.37 : x
  2. Step 2: Convert to fraction form
    305,013.42/457,335.45 = 136,502.37/x
  3. Step 3: Cross multiply
    305,013.42x = 457,335.45 × 136,502.37
  4. Step 4: Simplify right side
    305,013.42x = 62,427,372,810.02
  5. Step 5: Solve for x
    x = 62,427,372,810.02/305,013.42
  6. Step 6: Final answer
    x = 204,670.91

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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.