Home / 370,229.28-510,887.52-209,100.48

Finding the Fourth Proportional to 370,229.28, 510,887.52 and 209,100.48

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Solution

The fourth proportional to 370,229.28, 510,887.52 and 209,100.48 is: 288,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,229.28 : 510,887.52 = 209,100.48 : x
  2. Step 2: Convert to fraction form
    370,229.28/510,887.52 = 209,100.48/x
  3. Step 3: Cross multiply
    370,229.28x = 510,887.52 × 209,100.48
  4. Step 4: Simplify right side
    370,229.28x = 106,826,825,658.01
  5. Step 5: Solve for x
    x = 106,826,825,658.01/370,229.28
  6. Step 6: Final answer
    x = 288,542.35

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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.