Home / 385,207.20-577,947.21-171,955.26

Finding the Fourth Proportional to 385,207.20, 577,947.21 and 171,955.26

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Solution

The fourth proportional to 385,207.20, 577,947.21 and 171,955.26 is: 257,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,207.20 : 577,947.21 = 171,955.26 : x
  2. Step 2: Convert to fraction form
    385,207.20/577,947.21 = 171,955.26/x
  3. Step 3: Cross multiply
    385,207.20x = 577,947.21 × 171,955.26
  4. Step 4: Simplify right side
    385,207.20x = 99,381,062,761.82
  5. Step 5: Solve for x
    x = 99,381,062,761.82/385,207.20
  6. Step 6: Final answer
    x = 257,993.78

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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.