Home / 402,027.72-555,057.84-249,229.20

Finding the Fourth Proportional to 402,027.72, 555,057.84 and 249,229.20

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Solution

The fourth proportional to 402,027.72, 555,057.84 and 249,229.20 is: 344,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,027.72 : 555,057.84 = 249,229.20 : x
  2. Step 2: Convert to fraction form
    402,027.72/555,057.84 = 249,229.20/x
  3. Step 3: Cross multiply
    402,027.72x = 555,057.84 × 249,229.20
  4. Step 4: Simplify right side
    402,027.72x = 138,336,621,416.93
  5. Step 5: Solve for x
    x = 138,336,621,416.93/402,027.72
  6. Step 6: Final answer
    x = 344,097.22

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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.