Home / 571,891.20-857,842.92-172,535.40

Finding the Fourth Proportional to 571,891.20, 857,842.92 and 172,535.40

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Solution

The fourth proportional to 571,891.20, 857,842.92 and 172,535.40 is: 258,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,891.20 : 857,842.92 = 172,535.40 : x
  2. Step 2: Convert to fraction form
    571,891.20/857,842.92 = 172,535.40/x
  3. Step 3: Cross multiply
    571,891.20x = 857,842.92 × 172,535.40
  4. Step 4: Simplify right side
    571,891.20x = 148,008,271,339.37
  5. Step 5: Solve for x
    x = 148,008,271,339.37/571,891.20
  6. Step 6: Final answer
    x = 258,804.95

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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.