Home / 326,921.70-490,455.45-127,224.30

Finding the Fourth Proportional to 326,921.70, 490,455.45 and 127,224.30

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Solution

The fourth proportional to 326,921.70, 490,455.45 and 127,224.30 is: 190,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,921.70 : 490,455.45 = 127,224.30 : x
  2. Step 2: Convert to fraction form
    326,921.70/490,455.45 = 127,224.30/x
  3. Step 3: Cross multiply
    326,921.70x = 490,455.45 × 127,224.30
  4. Step 4: Simplify right side
    326,921.70x = 62,397,851,307.44
  5. Step 5: Solve for x
    x = 62,397,851,307.44/326,921.70
  6. Step 6: Final answer
    x = 190,864.82

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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.