Home / 540,981.22-811,545.67-225,364.31

Finding the Fourth Proportional to 540,981.22, 811,545.67 and 225,364.31

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Solution

The fourth proportional to 540,981.22, 811,545.67 and 225,364.31 is: 338,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,981.22 : 811,545.67 = 225,364.31 : x
  2. Step 2: Convert to fraction form
    540,981.22/811,545.67 = 225,364.31/x
  3. Step 3: Cross multiply
    540,981.22x = 811,545.67 × 225,364.31
  4. Step 4: Simplify right side
    540,981.22x = 182,893,432,263.61
  5. Step 5: Solve for x
    x = 182,893,432,263.61/540,981.22
  6. Step 6: Final answer
    x = 338,077.23

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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.