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Finding the Fourth Proportional to 353,337.50, 487,605.75 and 202,521.98

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Solution

The fourth proportional to 353,337.50, 487,605.75 and 202,521.98 is: 279,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,337.50 : 487,605.75 = 202,521.98 : x
  2. Step 2: Convert to fraction form
    353,337.50/487,605.75 = 202,521.98/x
  3. Step 3: Cross multiply
    353,337.50x = 487,605.75 × 202,521.98
  4. Step 4: Simplify right side
    353,337.50x = 98,750,881,949.39
  5. Step 5: Solve for x
    x = 98,750,881,949.39/353,337.50
  6. Step 6: Final answer
    x = 279,480.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.