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Finding the Fourth Proportional to 352,042.30, 528,063.45 and 313,335.10

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Solution

The fourth proportional to 352,042.30, 528,063.45 and 313,335.10 is: 470,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,042.30 : 528,063.45 = 313,335.10 : x
  2. Step 2: Convert to fraction form
    352,042.30/528,063.45 = 313,335.10/x
  3. Step 3: Cross multiply
    352,042.30x = 528,063.45 × 313,335.10
  4. Step 4: Simplify right side
    352,042.30x = 165,460,813,912.10
  5. Step 5: Solve for x
    x = 165,460,813,912.10/352,042.30
  6. Step 6: Final answer
    x = 470,002.65

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