Home / 231,424.20-347,011.47-104,995.46

Finding the Fourth Proportional to 231,424.20, 347,011.47 and 104,995.46

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Solution

The fourth proportional to 231,424.20, 347,011.47 and 104,995.46 is: 157,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,424.20 : 347,011.47 = 104,995.46 : x
  2. Step 2: Convert to fraction form
    231,424.20/347,011.47 = 104,995.46/x
  3. Step 3: Cross multiply
    231,424.20x = 347,011.47 × 104,995.46
  4. Step 4: Simplify right side
    231,424.20x = 36,434,627,445.36
  5. Step 5: Solve for x
    x = 36,434,627,445.36/231,424.20
  6. Step 6: Final answer
    x = 157,436.55

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1.5x scale

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.