Home / 340,332.70-469,641.30-187,341.03

Finding the Fourth Proportional to 340,332.70, 469,641.30 and 187,341.03

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Solution

The fourth proportional to 340,332.70, 469,641.30 and 187,341.03 is: 258,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,332.70 : 469,641.30 = 187,341.03 : x
  2. Step 2: Convert to fraction form
    340,332.70/469,641.30 = 187,341.03/x
  3. Step 3: Cross multiply
    340,332.70x = 469,641.30 × 187,341.03
  4. Step 4: Simplify right side
    340,332.70x = 87,983,084,872.54
  5. Step 5: Solve for x
    x = 87,983,084,872.54/340,332.70
  6. Step 6: Final answer
    x = 258,520.81

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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.