Home / 296,645.80-445,017.22-96,908.20

Finding the Fourth Proportional to 296,645.80, 445,017.22 and 96,908.20

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Solution

The fourth proportional to 296,645.80, 445,017.22 and 96,908.20 is: 145,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,645.80 : 445,017.22 = 96,908.20 : x
  2. Step 2: Convert to fraction form
    296,645.80/445,017.22 = 96,908.20/x
  3. Step 3: Cross multiply
    296,645.80x = 445,017.22 × 96,908.20
  4. Step 4: Simplify right side
    296,645.80x = 43,125,817,759.20
  5. Step 5: Solve for x
    x = 43,125,817,759.20/296,645.80
  6. Step 6: Final answer
    x = 145,378.15

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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.