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Finding the Fourth Proportional to 539,335.89, 808,793.52 and 202,192.77

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Solution

The fourth proportional to 539,335.89, 808,793.52 and 202,192.77 is: 303,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,335.89 : 808,793.52 = 202,192.77 : x
  2. Step 2: Convert to fraction form
    539,335.89/808,793.52 = 202,192.77/x
  3. Step 3: Cross multiply
    539,335.89x = 808,793.52 × 202,192.77
  4. Step 4: Simplify right side
    539,335.89x = 163,532,202,166.85
  5. Step 5: Solve for x
    x = 163,532,202,166.85/539,335.89
  6. Step 6: Final answer
    x = 303,210.31

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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.