Home / 405,091.28-607,496.12-225,450.80

Finding the Fourth Proportional to 405,091.28, 607,496.12 and 225,450.80

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Solution

The fourth proportional to 405,091.28, 607,496.12 and 225,450.80 is: 338,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,091.28 : 607,496.12 = 225,450.80 : x
  2. Step 2: Convert to fraction form
    405,091.28/607,496.12 = 225,450.80/x
  3. Step 3: Cross multiply
    405,091.28x = 607,496.12 × 225,450.80
  4. Step 4: Simplify right side
    405,091.28x = 136,960,486,250.90
  5. Step 5: Solve for x
    x = 136,960,486,250.90/405,091.28
  6. Step 6: Final answer
    x = 338,097.84

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1.5x scale

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.