Home / 385,115.27-577,725.45-160,423.16

Finding the Fourth Proportional to 385,115.27, 577,725.45 and 160,423.16

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Solution

The fourth proportional to 385,115.27, 577,725.45 and 160,423.16 is: 240,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,115.27 : 577,725.45 = 160,423.16 : x
  2. Step 2: Convert to fraction form
    385,115.27/577,725.45 = 160,423.16/x
  3. Step 3: Cross multiply
    385,115.27x = 577,725.45 × 160,423.16
  4. Step 4: Simplify right side
    385,115.27x = 92,680,544,347.32
  5. Step 5: Solve for x
    x = 92,680,544,347.32/385,115.27
  6. Step 6: Final answer
    x = 240,656.63

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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.