Home / 313,345.23-432,425.28-170,114.61

Finding the Fourth Proportional to 313,345.23, 432,425.28 and 170,114.61

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Solution

The fourth proportional to 313,345.23, 432,425.28 and 170,114.61 is: 234,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,345.23 : 432,425.28 = 170,114.61 : x
  2. Step 2: Convert to fraction form
    313,345.23/432,425.28 = 170,114.61/x
  3. Step 3: Cross multiply
    313,345.23x = 432,425.28 × 170,114.61
  4. Step 4: Simplify right side
    313,345.23x = 73,561,857,861.34
  5. Step 5: Solve for x
    x = 73,561,857,861.34/313,345.23
  6. Step 6: Final answer
    x = 234,762.97

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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.