Home / 394,973.18-592,521.42-128,671.82

Finding the Fourth Proportional to 394,973.18, 592,521.42 and 128,671.82

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Solution

The fourth proportional to 394,973.18, 592,521.42 and 128,671.82 is: 193,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,973.18 : 592,521.42 = 128,671.82 : x
  2. Step 2: Convert to fraction form
    394,973.18/592,521.42 = 128,671.82/x
  3. Step 3: Cross multiply
    394,973.18x = 592,521.42 × 128,671.82
  4. Step 4: Simplify right side
    394,973.18x = 76,240,809,500.38
  5. Step 5: Solve for x
    x = 76,240,809,500.38/394,973.18
  6. Step 6: Final answer
    x = 193,027.81

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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.