Home / 434,745.40-652,118.10-154,226.20

Finding the Fourth Proportional to 434,745.40, 652,118.10 and 154,226.20

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Solution

The fourth proportional to 434,745.40, 652,118.10 and 154,226.20 is: 231,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,745.40 : 652,118.10 = 154,226.20 : x
  2. Step 2: Convert to fraction form
    434,745.40/652,118.10 = 154,226.20/x
  3. Step 3: Cross multiply
    434,745.40x = 652,118.10 × 154,226.20
  4. Step 4: Simplify right side
    434,745.40x = 100,573,696,514.22
  5. Step 5: Solve for x
    x = 100,573,696,514.22/434,745.40
  6. Step 6: Final answer
    x = 231,339.30

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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.