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Finding the Fourth Proportional to 438,492.96, 605,107.80 and 247,524.12

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Solution

The fourth proportional to 438,492.96, 605,107.80 and 247,524.12 is: 341,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,492.96 : 605,107.80 = 247,524.12 : x
  2. Step 2: Convert to fraction form
    438,492.96/605,107.80 = 247,524.12/x
  3. Step 3: Cross multiply
    438,492.96x = 605,107.80 × 247,524.12
  4. Step 4: Simplify right side
    438,492.96x = 149,778,775,700.14
  5. Step 5: Solve for x
    x = 149,778,775,700.14/438,492.96
  6. Step 6: Final answer
    x = 341,576.24

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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.