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Finding the Fourth Proportional to 230,099.78, 317,461.58 and 134,538.80

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Solution

The fourth proportional to 230,099.78, 317,461.58 and 134,538.80 is: 185,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,099.78 : 317,461.58 = 134,538.80 : x
  2. Step 2: Convert to fraction form
    230,099.78/317,461.58 = 134,538.80/x
  3. Step 3: Cross multiply
    230,099.78x = 317,461.58 × 134,538.80
  4. Step 4: Simplify right side
    230,099.78x = 42,710,900,019.30
  5. Step 5: Solve for x
    x = 42,710,900,019.30/230,099.78
  6. Step 6: Final answer
    x = 185,619.04

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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.