Home / 360,883.28-497,985.19-215,660.25

Finding the Fourth Proportional to 360,883.28, 497,985.19 and 215,660.25

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Solution

The fourth proportional to 360,883.28, 497,985.19 and 215,660.25 is: 297,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,883.28 : 497,985.19 = 215,660.25 : x
  2. Step 2: Convert to fraction form
    360,883.28/497,985.19 = 215,660.25/x
  3. Step 3: Cross multiply
    360,883.28x = 497,985.19 × 215,660.25
  4. Step 4: Simplify right side
    360,883.28x = 107,395,610,571.70
  5. Step 5: Solve for x
    x = 107,395,610,571.70/360,883.28
  6. Step 6: Final answer
    x = 297,590.98

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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.