Home / 370,204.43-555,306.64-89,721.68

Finding the Fourth Proportional to 370,204.43, 555,306.64 and 89,721.68

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Solution

The fourth proportional to 370,204.43, 555,306.64 and 89,721.68 is: 134,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,204.43 : 555,306.64 = 89,721.68 : x
  2. Step 2: Convert to fraction form
    370,204.43/555,306.64 = 89,721.68/x
  3. Step 3: Cross multiply
    370,204.43x = 555,306.64 × 89,721.68
  4. Step 4: Simplify right side
    370,204.43x = 49,823,044,207.35
  5. Step 5: Solve for x
    x = 49,823,044,207.35/370,204.43
  6. Step 6: Final answer
    x = 134,582.52

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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.