Home / 250,151.19-345,748.62-221,266.40

Finding the Fourth Proportional to 250,151.19, 345,748.62 and 221,266.40

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Solution

The fourth proportional to 250,151.19, 345,748.62 and 221,266.40 is: 305,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,151.19 : 345,748.62 = 221,266.40 : x
  2. Step 2: Convert to fraction form
    250,151.19/345,748.62 = 221,266.40/x
  3. Step 3: Cross multiply
    250,151.19x = 345,748.62 × 221,266.40
  4. Step 4: Simplify right side
    250,151.19x = 76,502,550,723.62
  5. Step 5: Solve for x
    x = 76,502,550,723.62/250,151.19
  6. Step 6: Final answer
    x = 305,825.25

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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.