Home / 385,208.20-577,948.71-171,956.26

Finding the Fourth Proportional to 385,208.20, 577,948.71 and 171,956.26

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Solution

The fourth proportional to 385,208.20, 577,948.71 and 171,956.26 is: 257,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,208.20 : 577,948.71 = 171,956.26 : x
  2. Step 2: Convert to fraction form
    385,208.20/577,948.71 = 171,956.26/x
  3. Step 3: Cross multiply
    385,208.20x = 577,948.71 × 171,956.26
  4. Step 4: Simplify right side
    385,208.20x = 99,381,898,643.42
  5. Step 5: Solve for x
    x = 99,381,898,643.42/385,208.20
  6. Step 6: Final answer
    x = 257,995.28

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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.