Home / 313,723.56-470,613.54-89,086.20

Finding the Fourth Proportional to 313,723.56, 470,613.54 and 89,086.20

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Solution

The fourth proportional to 313,723.56, 470,613.54 and 89,086.20 is: 133,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,723.56 : 470,613.54 = 89,086.20 : x
  2. Step 2: Convert to fraction form
    313,723.56/470,613.54 = 89,086.20/x
  3. Step 3: Cross multiply
    313,723.56x = 470,613.54 × 89,086.20
  4. Step 4: Simplify right side
    313,723.56x = 41,925,171,947.15
  5. Step 5: Solve for x
    x = 41,925,171,947.15/313,723.56
  6. Step 6: Final answer
    x = 133,637.31

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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.