Home / 571,579.20-857,369.18-145,147.00

Finding the Fourth Proportional to 571,579.20, 857,369.18 and 145,147.00

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Solution

The fourth proportional to 571,579.20, 857,369.18 and 145,147.00 is: 217,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,579.20 : 857,369.18 = 145,147.00 : x
  2. Step 2: Convert to fraction form
    571,579.20/857,369.18 = 145,147.00/x
  3. Step 3: Cross multiply
    571,579.20x = 857,369.18 × 145,147.00
  4. Step 4: Simplify right side
    571,579.20x = 124,444,568,165.94
  5. Step 5: Solve for x
    x = 124,444,568,165.94/571,579.20
  6. Step 6: Final answer
    x = 217,720.60

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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.