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Finding the Fourth Proportional to 343,468.64, 473,897.04 and 198,238.88

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Solution

The fourth proportional to 343,468.64, 473,897.04 and 198,238.88 is: 273,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,468.64 : 473,897.04 = 198,238.88 : x
  2. Step 2: Convert to fraction form
    343,468.64/473,897.04 = 198,238.88/x
  3. Step 3: Cross multiply
    343,468.64x = 473,897.04 × 198,238.88
  4. Step 4: Simplify right side
    343,468.64x = 93,944,818,444.92
  5. Step 5: Solve for x
    x = 93,944,818,444.92/343,468.64
  6. Step 6: Final answer
    x = 273,517.89

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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.