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Finding the Fourth Proportional to 614,400.08, 922,010.02 and 215,040.87

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Solution

The fourth proportional to 614,400.08, 922,010.02 and 215,040.87 is: 322,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,400.08 : 922,010.02 = 215,040.87 : x
  2. Step 2: Convert to fraction form
    614,400.08/922,010.02 = 215,040.87/x
  3. Step 3: Cross multiply
    614,400.08x = 922,010.02 × 215,040.87
  4. Step 4: Simplify right side
    614,400.08x = 198,269,832,239.47
  5. Step 5: Solve for x
    x = 198,269,832,239.47/614,400.08
  6. Step 6: Final answer
    x = 322,704.77

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1.5x scale

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.