Home / 330,470.34-456,050.55-187,258.29

Finding the Fourth Proportional to 330,470.34, 456,050.55 and 187,258.29

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Solution

The fourth proportional to 330,470.34, 456,050.55 and 187,258.29 is: 258,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470.34 : 456,050.55 = 187,258.29 : x
  2. Step 2: Convert to fraction form
    330,470.34/456,050.55 = 187,258.29/x
  3. Step 3: Cross multiply
    330,470.34x = 456,050.55 × 187,258.29
  4. Step 4: Simplify right side
    330,470.34x = 85,399,246,146.56
  5. Step 5: Solve for x
    x = 85,399,246,146.56/330,470.34
  6. Step 6: Final answer
    x = 258,417.28

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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.