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Finding the Fourth Proportional to 366,935.60, 550,403.40 and 340,363.55

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Solution

The fourth proportional to 366,935.60, 550,403.40 and 340,363.55 is: 510,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,935.60 : 550,403.40 = 340,363.55 : x
  2. Step 2: Convert to fraction form
    366,935.60/550,403.40 = 340,363.55/x
  3. Step 3: Cross multiply
    366,935.60x = 550,403.40 × 340,363.55
  4. Step 4: Simplify right side
    366,935.60x = 187,337,255,156.07
  5. Step 5: Solve for x
    x = 187,337,255,156.07/366,935.60
  6. Step 6: Final answer
    x = 510,545.33

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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.