Home / 222,821.28-307,306.31-146,281.75

Finding the Fourth Proportional to 222,821.28, 307,306.31 and 146,281.75

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Solution

The fourth proportional to 222,821.28, 307,306.31 and 146,281.75 is: 201,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,821.28 : 307,306.31 = 146,281.75 : x
  2. Step 2: Convert to fraction form
    222,821.28/307,306.31 = 146,281.75/x
  3. Step 3: Cross multiply
    222,821.28x = 307,306.31 × 146,281.75
  4. Step 4: Simplify right side
    222,821.28x = 44,953,303,313.17
  5. Step 5: Solve for x
    x = 44,953,303,313.17/222,821.28
  6. Step 6: Final answer
    x = 201,746.01

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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.