Home / 352,601.20-528,707.40-142,001.20

Finding the Fourth Proportional to 352,601.20, 528,707.40 and 142,001.20

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Solution

The fourth proportional to 352,601.20, 528,707.40 and 142,001.20 is: 212,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,601.20 : 528,707.40 = 142,001.20 : x
  2. Step 2: Convert to fraction form
    352,601.20/528,707.40 = 142,001.20/x
  3. Step 3: Cross multiply
    352,601.20x = 528,707.40 × 142,001.20
  4. Step 4: Simplify right side
    352,601.20x = 75,077,085,248.88
  5. Step 5: Solve for x
    x = 75,077,085,248.88/352,601.20
  6. Step 6: Final answer
    x = 212,923.51

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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.