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Finding the Fourth Proportional to 329,818.24, 493,979.82 and 258,295.06

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Solution

The fourth proportional to 329,818.24, 493,979.82 and 258,295.06 is: 386,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,818.24 : 493,979.82 = 258,295.06 : x
  2. Step 2: Convert to fraction form
    329,818.24/493,979.82 = 258,295.06/x
  3. Step 3: Cross multiply
    329,818.24x = 493,979.82 × 258,295.06
  4. Step 4: Simplify right side
    329,818.24x = 127,592,547,245.69
  5. Step 5: Solve for x
    x = 127,592,547,245.69/329,818.24
  6. Step 6: Final answer
    x = 386,857.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.