Home / 343,980.28-516,011.45-166,359.65

Finding the Fourth Proportional to 343,980.28, 516,011.45 and 166,359.65

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Solution

The fourth proportional to 343,980.28, 516,011.45 and 166,359.65 is: 249,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,980.28 : 516,011.45 = 166,359.65 : x
  2. Step 2: Convert to fraction form
    343,980.28/516,011.45 = 166,359.65/x
  3. Step 3: Cross multiply
    343,980.28x = 516,011.45 × 166,359.65
  4. Step 4: Simplify right side
    343,980.28x = 85,843,484,217.99
  5. Step 5: Solve for x
    x = 85,843,484,217.99/343,980.28
  6. Step 6: Final answer
    x = 249,559.32

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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.