Home / 476,922.70-715,165.35-210,546.10

Finding the Fourth Proportional to 476,922.70, 715,165.35 and 210,546.10

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Solution

The fourth proportional to 476,922.70, 715,165.35 and 210,546.10 is: 315,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,922.70 : 715,165.35 = 210,546.10 : x
  2. Step 2: Convert to fraction form
    476,922.70/715,165.35 = 210,546.10/x
  3. Step 3: Cross multiply
    476,922.70x = 715,165.35 × 210,546.10
  4. Step 4: Simplify right side
    476,922.70x = 150,575,275,297.64
  5. Step 5: Solve for x
    x = 150,575,275,297.64/476,922.70
  6. Step 6: Final answer
    x = 315,722.60

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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.