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Finding the Fourth Proportional to 560,926, 841,389 and 166,942

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Solution

The fourth proportional to 560,926, 841,389 and 166,942 is: 250,413

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,926 : 841,389 = 166,942 : x
  2. Step 2: Convert to fraction form
    560,926/841,389 = 166,942/x
  3. Step 3: Cross multiply
    560,926x = 841,389 × 166,942
  4. Step 4: Simplify right side
    560,926x = 140,463,162,438
  5. Step 5: Solve for x
    x = 140,463,162,438/560,926
  6. Step 6: Final answer
    x = 250,413

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.