Home / 385,366.20-577,962.90-253,174.20

Finding the Fourth Proportional to 385,366.20, 577,962.90 and 253,174.20

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Solution

The fourth proportional to 385,366.20, 577,962.90 and 253,174.20 is: 379,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,366.20 : 577,962.90 = 253,174.20 : x
  2. Step 2: Convert to fraction form
    385,366.20/577,962.90 = 253,174.20/x
  3. Step 3: Cross multiply
    385,366.20x = 577,962.90 × 253,174.20
  4. Step 4: Simplify right side
    385,366.20x = 146,325,294,837.18
  5. Step 5: Solve for x
    x = 146,325,294,837.18/385,366.20
  6. Step 6: Final answer
    x = 379,704.54

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1.5x scale

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.