Home / 243,909.24-336,371.13-209,442.27

Finding the Fourth Proportional to 243,909.24, 336,371.13 and 209,442.27

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Solution

The fourth proportional to 243,909.24, 336,371.13 and 209,442.27 is: 288,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,909.24 : 336,371.13 = 209,442.27 : x
  2. Step 2: Convert to fraction form
    243,909.24/336,371.13 = 209,442.27/x
  3. Step 3: Cross multiply
    243,909.24x = 336,371.13 × 209,442.27
  4. Step 4: Simplify right side
    243,909.24x = 70,450,333,029.67
  5. Step 5: Solve for x
    x = 70,450,333,029.67/243,909.24
  6. Step 6: Final answer
    x = 288,838.31

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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.