Home / 293,357.94-439,966.35-135,434.76

Finding the Fourth Proportional to 293,357.94, 439,966.35 and 135,434.76

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Solution

The fourth proportional to 293,357.94, 439,966.35 and 135,434.76 is: 203,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,357.94 : 439,966.35 = 135,434.76 : x
  2. Step 2: Convert to fraction form
    293,357.94/439,966.35 = 135,434.76/x
  3. Step 3: Cross multiply
    293,357.94x = 439,966.35 × 135,434.76
  4. Step 4: Simplify right side
    293,357.94x = 59,586,737,020.33
  5. Step 5: Solve for x
    x = 59,586,737,020.33/293,357.94
  6. Step 6: Final answer
    x = 203,119.56

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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.