Home / 384,727.73-530,648.89-270,031.96

Finding the Fourth Proportional to 384,727.73, 530,648.89 and 270,031.96

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Solution

The fourth proportional to 384,727.73, 530,648.89 and 270,031.96 is: 372,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,727.73 : 530,648.89 = 270,031.96 : x
  2. Step 2: Convert to fraction form
    384,727.73/530,648.89 = 270,031.96/x
  3. Step 3: Cross multiply
    384,727.73x = 530,648.89 × 270,031.96
  4. Step 4: Simplify right side
    384,727.73x = 143,292,159,838.52
  5. Step 5: Solve for x
    x = 143,292,159,838.52/384,727.73
  6. Step 6: Final answer
    x = 372,450.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.