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Finding the Fourth Proportional to 232,628.10, 348,720.54 and 74,745.73

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Solution

The fourth proportional to 232,628.10, 348,720.54 and 74,745.73 is: 112,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,628.10 : 348,720.54 = 74,745.73 : x
  2. Step 2: Convert to fraction form
    232,628.10/348,720.54 = 74,745.73/x
  3. Step 3: Cross multiply
    232,628.10x = 348,720.54 × 74,745.73
  4. Step 4: Simplify right side
    232,628.10x = 26,065,371,328.29
  5. Step 5: Solve for x
    x = 26,065,371,328.29/232,628.10
  6. Step 6: Final answer
    x = 112,047.39

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1.5x scale

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.