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Finding the Fourth Proportional to 490,013.93, 735,113.71 and 170,153.30

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Solution

The fourth proportional to 490,013.93, 735,113.71 and 170,153.30 is: 255,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,013.93 : 735,113.71 = 170,153.30 : x
  2. Step 2: Convert to fraction form
    490,013.93/735,113.71 = 170,153.30/x
  3. Step 3: Cross multiply
    490,013.93x = 735,113.71 × 170,153.30
  4. Step 4: Simplify right side
    490,013.93x = 125,082,023,631.74
  5. Step 5: Solve for x
    x = 125,082,023,631.74/490,013.93
  6. Step 6: Final answer
    x = 255,262.18

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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.