Home / 472,610.12-709,020.57-135,624.50

Finding the Fourth Proportional to 472,610.12, 709,020.57 and 135,624.50

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Solution

The fourth proportional to 472,610.12, 709,020.57 and 135,624.50 is: 203,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,610.12 : 709,020.57 = 135,624.50 : x
  2. Step 2: Convert to fraction form
    472,610.12/709,020.57 = 135,624.50/x
  3. Step 3: Cross multiply
    472,610.12x = 709,020.57 × 135,624.50
  4. Step 4: Simplify right side
    472,610.12x = 96,160,560,768.07
  5. Step 5: Solve for x
    x = 96,160,560,768.07/472,610.12
  6. Step 6: Final answer
    x = 203,467.00

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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.