Home / 558,134.74-836,710.59-221,411.87

Finding the Fourth Proportional to 558,134.74, 836,710.59 and 221,411.87

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Solution

The fourth proportional to 558,134.74, 836,710.59 and 221,411.87 is: 331,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,134.74 : 836,710.59 = 221,411.87 : x
  2. Step 2: Convert to fraction form
    558,134.74/836,710.59 = 221,411.87/x
  3. Step 3: Cross multiply
    558,134.74x = 836,710.59 × 221,411.87
  4. Step 4: Simplify right side
    558,134.74x = 185,257,656,165.11
  5. Step 5: Solve for x
    x = 185,257,656,165.11/558,134.74
  6. Step 6: Final answer
    x = 331,922.82

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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.