Home / 491,158.71-736,738.25-220,971.33

Finding the Fourth Proportional to 491,158.71, 736,738.25 and 220,971.33

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Solution

The fourth proportional to 491,158.71, 736,738.25 and 220,971.33 is: 331,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,158.71 : 736,738.25 = 220,971.33 : x
  2. Step 2: Convert to fraction form
    491,158.71/736,738.25 = 220,971.33/x
  3. Step 3: Cross multiply
    491,158.71x = 736,738.25 × 220,971.33
  4. Step 4: Simplify right side
    491,158.71x = 162,798,029,859.52
  5. Step 5: Solve for x
    x = 162,798,029,859.52/491,158.71
  6. Step 6: Final answer
    x = 331,457.08

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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.