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Finding the Fourth Proportional to 313,626.94, 432,804.03 and 170,385.73

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Solution

The fourth proportional to 313,626.94, 432,804.03 and 170,385.73 is: 235,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,626.94 : 432,804.03 = 170,385.73 : x
  2. Step 2: Convert to fraction form
    313,626.94/432,804.03 = 170,385.73/x
  3. Step 3: Cross multiply
    313,626.94x = 432,804.03 × 170,385.73
  4. Step 4: Simplify right side
    313,626.94x = 73,743,630,598.49
  5. Step 5: Solve for x
    x = 73,743,630,598.49/313,626.94
  6. Step 6: Final answer
    x = 235,131.68

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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.