Home / 232,433.12-320,678.72-147,599.04

Finding the Fourth Proportional to 232,433.12, 320,678.72 and 147,599.04

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Solution

The fourth proportional to 232,433.12, 320,678.72 and 147,599.04 is: 203,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,433.12 : 320,678.72 = 147,599.04 : x
  2. Step 2: Convert to fraction form
    232,433.12/320,678.72 = 147,599.04/x
  3. Step 3: Cross multiply
    232,433.12x = 320,678.72 × 147,599.04
  4. Step 4: Simplify right side
    232,433.12x = 47,331,871,220.43
  5. Step 5: Solve for x
    x = 47,331,871,220.43/232,433.12
  6. Step 6: Final answer
    x = 203,636.52

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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.