Home / 218,422.23-301,307.06-150,320.97

Finding the Fourth Proportional to 218,422.23, 301,307.06 and 150,320.97

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Solution

The fourth proportional to 218,422.23, 301,307.06 and 150,320.97 is: 207,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422.23 : 301,307.06 = 150,320.97 : x
  2. Step 2: Convert to fraction form
    218,422.23/301,307.06 = 150,320.97/x
  3. Step 3: Cross multiply
    218,422.23x = 301,307.06 × 150,320.97
  4. Step 4: Simplify right side
    218,422.23x = 45,292,768,020.51
  5. Step 5: Solve for x
    x = 45,292,768,020.51/218,422.23
  6. Step 6: Final answer
    x = 207,363.37

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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.