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Finding the Fourth Proportional to 240,408, 360,612 and 65,304

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Solution

The fourth proportional to 240,408, 360,612 and 65,304 is: 97,956

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,408 : 360,612 = 65,304 : x
  2. Step 2: Convert to fraction form
    240,408/360,612 = 65,304/x
  3. Step 3: Cross multiply
    240,408x = 360,612 × 65,304
  4. Step 4: Simplify right side
    240,408x = 23,549,406,048
  5. Step 5: Solve for x
    x = 23,549,406,048/240,408
  6. Step 6: Final answer
    x = 97,956

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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.