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Finding the Fourth Proportional to 456,660.39, 630,175.86 and 252,719.94

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Solution

The fourth proportional to 456,660.39, 630,175.86 and 252,719.94 is: 348,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,660.39 : 630,175.86 = 252,719.94 : x
  2. Step 2: Convert to fraction form
    456,660.39/630,175.86 = 252,719.94/x
  3. Step 3: Cross multiply
    456,660.39x = 630,175.86 × 252,719.94
  4. Step 4: Simplify right side
    456,660.39x = 159,258,005,528.65
  5. Step 5: Solve for x
    x = 159,258,005,528.65/456,660.39
  6. Step 6: Final answer
    x = 348,744.95

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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.