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Finding the Fourth Proportional to 540,980.84, 811,545.11 and 225,363.94

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Solution

The fourth proportional to 540,980.84, 811,545.11 and 225,363.94 is: 338,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,980.84 : 811,545.11 = 225,363.94 : x
  2. Step 2: Convert to fraction form
    540,980.84/811,545.11 = 225,363.94/x
  3. Step 3: Cross multiply
    540,980.84x = 811,545.11 × 225,363.94
  4. Step 4: Simplify right side
    540,980.84x = 182,893,001,166.77
  5. Step 5: Solve for x
    x = 182,893,001,166.77/540,980.84
  6. Step 6: Final answer
    x = 338,076.67

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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.