Home / 385,175.07-577,449.57-160,702.74

Finding the Fourth Proportional to 385,175.07, 577,449.57 and 160,702.74

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Solution

The fourth proportional to 385,175.07, 577,449.57 and 160,702.74 is: 240,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,175.07 : 577,449.57 = 160,702.74 : x
  2. Step 2: Convert to fraction form
    385,175.07/577,449.57 = 160,702.74/x
  3. Step 3: Cross multiply
    385,175.07x = 577,449.57 × 160,702.74
  4. Step 4: Simplify right side
    385,175.07x = 92,797,728,110.82
  5. Step 5: Solve for x
    x = 92,797,728,110.82/385,175.07
  6. Step 6: Final answer
    x = 240,923.51

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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.