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Finding the Fourth Proportional to 304,842.39, 420,682.41 and 168,885.18

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Solution

The fourth proportional to 304,842.39, 420,682.41 and 168,885.18 is: 233,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,842.39 : 420,682.41 = 168,885.18 : x
  2. Step 2: Convert to fraction form
    304,842.39/420,682.41 = 168,885.18/x
  3. Step 3: Cross multiply
    304,842.39x = 420,682.41 × 168,885.18
  4. Step 4: Simplify right side
    304,842.39x = 71,047,024,535.68
  5. Step 5: Solve for x
    x = 71,047,024,535.68/304,842.39
  6. Step 6: Final answer
    x = 233,061.50

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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.