Home / 313,349.10-432,426.97-170,109.14

Finding the Fourth Proportional to 313,349.10, 432,426.97 and 170,109.14

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Solution

The fourth proportional to 313,349.10, 432,426.97 and 170,109.14 is: 234,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,349.10 : 432,426.97 = 170,109.14 : x
  2. Step 2: Convert to fraction form
    313,349.10/432,426.97 = 170,109.14/x
  3. Step 3: Cross multiply
    313,349.10x = 432,426.97 × 170,109.14
  4. Step 4: Simplify right side
    313,349.10x = 73,559,777,817.37
  5. Step 5: Solve for x
    x = 73,559,777,817.37/313,349.10
  6. Step 6: Final answer
    x = 234,753.44

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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.