Home / 230,351.20-345,575.28-130,559.20

Finding the Fourth Proportional to 230,351.20, 345,575.28 and 130,559.20

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Solution

The fourth proportional to 230,351.20, 345,575.28 and 130,559.20 is: 195,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,351.20 : 345,575.28 = 130,559.20 : x
  2. Step 2: Convert to fraction form
    230,351.20/345,575.28 = 130,559.20/x
  3. Step 3: Cross multiply
    230,351.20x = 345,575.28 × 130,559.20
  4. Step 4: Simplify right side
    230,351.20x = 45,118,032,096.58
  5. Step 5: Solve for x
    x = 45,118,032,096.58/230,351.20
  6. Step 6: Final answer
    x = 195,866.28

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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.