Home / 418,723.36-628,086.84-134,457.10

Finding the Fourth Proportional to 418,723.36, 628,086.84 and 134,457.10

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Solution

The fourth proportional to 418,723.36, 628,086.84 and 134,457.10 is: 201,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,723.36 : 628,086.84 = 134,457.10 : x
  2. Step 2: Convert to fraction form
    418,723.36/628,086.84 = 134,457.10/x
  3. Step 3: Cross multiply
    418,723.36x = 628,086.84 × 134,457.10
  4. Step 4: Simplify right side
    418,723.36x = 84,450,735,054.56
  5. Step 5: Solve for x
    x = 84,450,735,054.56/418,723.36
  6. Step 6: Final answer
    x = 201,686.23

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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.