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Finding the Fourth Proportional to 614,610, 922,070.52 and 171,378

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Solution

The fourth proportional to 614,610, 922,070.52 and 171,378 is: 257,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,610 : 922,070.52 = 171,378 : x
  2. Step 2: Convert to fraction form
    614,610/922,070.52 = 171,378/x
  3. Step 3: Cross multiply
    614,610x = 922,070.52 × 171,378
  4. Step 4: Simplify right side
    614,610x = 158,022,601,576.56
  5. Step 5: Solve for x
    x = 158,022,601,576.56/614,610
  6. Step 6: Final answer
    x = 257,110.37

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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.