Home / 220,649.28-304,486.38-122,526.48

Finding the Fourth Proportional to 220,649.28, 304,486.38 and 122,526.48

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Solution

The fourth proportional to 220,649.28, 304,486.38 and 122,526.48 is: 169,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,649.28 : 304,486.38 = 122,526.48 : x
  2. Step 2: Convert to fraction form
    220,649.28/304,486.38 = 122,526.48/x
  3. Step 3: Cross multiply
    220,649.28x = 304,486.38 × 122,526.48
  4. Step 4: Simplify right side
    220,649.28x = 37,307,644,349.34
  5. Step 5: Solve for x
    x = 37,307,644,349.34/220,649.28
  6. Step 6: Final answer
    x = 169,081.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.