Home / 354,630.20-531,945.30-168,006.20

Finding the Fourth Proportional to 354,630.20, 531,945.30 and 168,006.20

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Solution

The fourth proportional to 354,630.20, 531,945.30 and 168,006.20 is: 252,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,630.20 : 531,945.30 = 168,006.20 : x
  2. Step 2: Convert to fraction form
    354,630.20/531,945.30 = 168,006.20/x
  3. Step 3: Cross multiply
    354,630.20x = 531,945.30 × 168,006.20
  4. Step 4: Simplify right side
    354,630.20x = 89,370,108,460.86
  5. Step 5: Solve for x
    x = 89,370,108,460.86/354,630.20
  6. Step 6: Final answer
    x = 252,009.30

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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.