Home / 452,211.51-678,310.25-152,902.29

Finding the Fourth Proportional to 452,211.51, 678,310.25 and 152,902.29

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Solution

The fourth proportional to 452,211.51, 678,310.25 and 152,902.29 is: 229,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,211.51 : 678,310.25 = 152,902.29 : x
  2. Step 2: Convert to fraction form
    452,211.51/678,310.25 = 152,902.29/x
  3. Step 3: Cross multiply
    452,211.51x = 678,310.25 × 152,902.29
  4. Step 4: Simplify right side
    452,211.51x = 103,715,189,790.96
  5. Step 5: Solve for x
    x = 103,715,189,790.96/452,211.51
  6. Step 6: Final answer
    x = 229,351.06

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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.