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Finding the Fourth Proportional to 358,528.64, 494,760.48 and 197,382.08

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Solution

The fourth proportional to 358,528.64, 494,760.48 and 197,382.08 is: 272,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,528.64 : 494,760.48 = 197,382.08 : x
  2. Step 2: Convert to fraction form
    358,528.64/494,760.48 = 197,382.08/x
  3. Step 3: Cross multiply
    358,528.64x = 494,760.48 × 197,382.08
  4. Step 4: Simplify right side
    358,528.64x = 97,656,852,644.20
  5. Step 5: Solve for x
    x = 97,656,852,644.20/358,528.64
  6. Step 6: Final answer
    x = 272,382.29

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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.