Home / 343,614.30-514,895.37-143,825.91

Finding the Fourth Proportional to 343,614.30, 514,895.37 and 143,825.91

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Solution

The fourth proportional to 343,614.30, 514,895.37 and 143,825.91 is: 215,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,614.30 : 514,895.37 = 143,825.91 : x
  2. Step 2: Convert to fraction form
    343,614.30/514,895.37 = 143,825.91/x
  3. Step 3: Cross multiply
    343,614.30x = 514,895.37 × 143,825.91
  4. Step 4: Simplify right side
    343,614.30x = 74,055,295,145.04
  5. Step 5: Solve for x
    x = 74,055,295,145.04/343,614.30
  6. Step 6: Final answer
    x = 215,518.66

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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.