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Finding the Fourth Proportional to 608,392, 912,588 and 165,160

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Solution

The fourth proportional to 608,392, 912,588 and 165,160 is: 247,740

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,392 : 912,588 = 165,160 : x
  2. Step 2: Convert to fraction form
    608,392/912,588 = 165,160/x
  3. Step 3: Cross multiply
    608,392x = 912,588 × 165,160
  4. Step 4: Simplify right side
    608,392x = 150,723,034,080
  5. Step 5: Solve for x
    x = 150,723,034,080/608,392
  6. Step 6: Final answer
    x = 247,740

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.