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Finding the Fourth Proportional to 230,357.28, 317,972.64 and 134,894.72

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Solution

The fourth proportional to 230,357.28, 317,972.64 and 134,894.72 is: 186,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,357.28 : 317,972.64 = 134,894.72 : x
  2. Step 2: Convert to fraction form
    230,357.28/317,972.64 = 134,894.72/x
  3. Step 3: Cross multiply
    230,357.28x = 317,972.64 × 134,894.72
  4. Step 4: Simplify right side
    230,357.28x = 42,892,830,240.46
  5. Step 5: Solve for x
    x = 42,892,830,240.46/230,357.28
  6. Step 6: Final answer
    x = 186,201.32

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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.