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Finding the Fourth Proportional to 229,765.92, 317,093.04 and 134,283.12

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Solution

The fourth proportional to 229,765.92, 317,093.04 and 134,283.12 is: 185,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,765.92 : 317,093.04 = 134,283.12 : x
  2. Step 2: Convert to fraction form
    229,765.92/317,093.04 = 134,283.12/x
  3. Step 3: Cross multiply
    229,765.92x = 317,093.04 × 134,283.12
  4. Step 4: Simplify right side
    229,765.92x = 42,580,242,741.48
  5. Step 5: Solve for x
    x = 42,580,242,741.48/229,765.92
  6. Step 6: Final answer
    x = 185,320.10

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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.