Home / 461,921.70-637,420.20-255,180.96

Finding the Fourth Proportional to 461,921.70, 637,420.20 and 255,180.96

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Solution

The fourth proportional to 461,921.70, 637,420.20 and 255,180.96 is: 352,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.70 : 637,420.20 = 255,180.96 : x
  2. Step 2: Convert to fraction form
    461,921.70/637,420.20 = 255,180.96/x
  3. Step 3: Cross multiply
    461,921.70x = 637,420.20 × 255,180.96
  4. Step 4: Simplify right side
    461,921.70x = 162,657,498,559.39
  5. Step 5: Solve for x
    x = 162,657,498,559.39/461,921.70
  6. Step 6: Final answer
    x = 352,132.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.