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Finding the Fourth Proportional to 353,430.16, 488,027.92 and 327,787.18

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Solution

The fourth proportional to 353,430.16, 488,027.92 and 327,787.18 is: 452,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,430.16 : 488,027.92 = 327,787.18 : x
  2. Step 2: Convert to fraction form
    353,430.16/488,027.92 = 327,787.18/x
  3. Step 3: Cross multiply
    353,430.16x = 488,027.92 × 327,787.18
  4. Step 4: Simplify right side
    353,430.16x = 159,969,295,658.07
  5. Step 5: Solve for x
    x = 159,969,295,658.07/353,430.16
  6. Step 6: Final answer
    x = 452,619.25

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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.