Home / 345,931.17-477,366.79-192,985.35

Finding the Fourth Proportional to 345,931.17, 477,366.79 and 192,985.35

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Solution

The fourth proportional to 345,931.17, 477,366.79 and 192,985.35 is: 266,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,931.17 : 477,366.79 = 192,985.35 : x
  2. Step 2: Convert to fraction form
    345,931.17/477,366.79 = 192,985.35/x
  3. Step 3: Cross multiply
    345,931.17x = 477,366.79 × 192,985.35
  4. Step 4: Simplify right side
    345,931.17x = 92,124,797,046.53
  5. Step 5: Solve for x
    x = 92,124,797,046.53/345,931.17
  6. Step 6: Final answer
    x = 266,309.62

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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.