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Finding the Fourth Proportional to 489,947.00, 735,025.52 and 170,108.98

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Solution

The fourth proportional to 489,947.00, 735,025.52 and 170,108.98 is: 255,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,947.00 : 735,025.52 = 170,108.98 : x
  2. Step 2: Convert to fraction form
    489,947.00/735,025.52 = 170,108.98/x
  3. Step 3: Cross multiply
    489,947.00x = 735,025.52 × 170,108.98
  4. Step 4: Simplify right side
    489,947.00x = 125,034,440,068.88
  5. Step 5: Solve for x
    x = 125,034,440,068.88/489,947.00
  6. Step 6: Final answer
    x = 255,199.93

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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.