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Finding the Fourth Proportional to 369,425.92, 509,777.04 and 208,320.70

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Solution

The fourth proportional to 369,425.92, 509,777.04 and 208,320.70 is: 287,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,425.92 : 509,777.04 = 208,320.70 : x
  2. Step 2: Convert to fraction form
    369,425.92/509,777.04 = 208,320.70/x
  3. Step 3: Cross multiply
    369,425.92x = 509,777.04 × 208,320.70
  4. Step 4: Simplify right side
    369,425.92x = 106,197,109,816.73
  5. Step 5: Solve for x
    x = 106,197,109,816.73/369,425.92
  6. Step 6: Final answer
    x = 287,465.24

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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.