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Finding the Fourth Proportional to 540,545.40, 810,916.92 and 180,682.20

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Solution

The fourth proportional to 540,545.40, 810,916.92 and 180,682.20 is: 271,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,545.40 : 810,916.92 = 180,682.20 : x
  2. Step 2: Convert to fraction form
    540,545.40/810,916.92 = 180,682.20/x
  3. Step 3: Cross multiply
    540,545.40x = 810,916.92 × 180,682.20
  4. Step 4: Simplify right side
    540,545.40x = 146,518,253,122.82
  5. Step 5: Solve for x
    x = 146,518,253,122.82/540,545.40
  6. Step 6: Final answer
    x = 271,056.33

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1.5x scale

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.