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Finding the Fourth Proportional to 343,727, 474,337.44 and 192,820.76

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Solution

The fourth proportional to 343,727, 474,337.44 and 192,820.76 is: 266,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,727 : 474,337.44 = 192,820.76 : x
  2. Step 2: Convert to fraction form
    343,727/474,337.44 = 192,820.76/x
  3. Step 3: Cross multiply
    343,727x = 474,337.44 × 192,820.76
  4. Step 4: Simplify right side
    343,727x = 91,462,105,677.25
  5. Step 5: Solve for x
    x = 91,462,105,677.25/343,727
  6. Step 6: Final answer
    x = 266,089.38

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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.