Home / 614,320.76-921,418.86-164,983.23

Finding the Fourth Proportional to 614,320.76, 921,418.86 and 164,983.23

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Solution

The fourth proportional to 614,320.76, 921,418.86 and 164,983.23 is: 247,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,320.76 : 921,418.86 = 164,983.23 : x
  2. Step 2: Convert to fraction form
    614,320.76/921,418.86 = 164,983.23/x
  3. Step 3: Cross multiply
    614,320.76x = 921,418.86 × 164,983.23
  4. Step 4: Simplify right side
    614,320.76x = 152,018,659,705.72
  5. Step 5: Solve for x
    x = 152,018,659,705.72/614,320.76
  6. Step 6: Final answer
    x = 247,458.12

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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.