Home / 478,747.32-718,139.22-179,196.36

Finding the Fourth Proportional to 478,747.32, 718,139.22 and 179,196.36

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Solution

The fourth proportional to 478,747.32, 718,139.22 and 179,196.36 is: 268,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,747.32 : 718,139.22 = 179,196.36 : x
  2. Step 2: Convert to fraction form
    478,747.32/718,139.22 = 179,196.36/x
  3. Step 3: Cross multiply
    478,747.32x = 718,139.22 × 179,196.36
  4. Step 4: Simplify right side
    478,747.32x = 128,687,934,197.24
  5. Step 5: Solve for x
    x = 128,687,934,197.24/478,747.32
  6. Step 6: Final answer
    x = 268,801.37

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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.