Home / 313,664.81-432,861.37-170,427.24

Finding the Fourth Proportional to 313,664.81, 432,861.37 and 170,427.24

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Solution

The fourth proportional to 313,664.81, 432,861.37 and 170,427.24 is: 235,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,664.81 : 432,861.37 = 170,427.24 : x
  2. Step 2: Convert to fraction form
    313,664.81/432,861.37 = 170,427.24/x
  3. Step 3: Cross multiply
    313,664.81x = 432,861.37 × 170,427.24
  4. Step 4: Simplify right side
    313,664.81x = 73,771,368,165.65
  5. Step 5: Solve for x
    x = 73,771,368,165.65/313,664.81
  6. Step 6: Final answer
    x = 235,191.73

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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.