Home / 230,837.60-346,256.40-221,621.60

Finding the Fourth Proportional to 230,837.60, 346,256.40 and 221,621.60

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Solution

The fourth proportional to 230,837.60, 346,256.40 and 221,621.60 is: 332,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,837.60 : 346,256.40 = 221,621.60 : x
  2. Step 2: Convert to fraction form
    230,837.60/346,256.40 = 221,621.60/x
  3. Step 3: Cross multiply
    230,837.60x = 346,256.40 × 221,621.60
  4. Step 4: Simplify right side
    230,837.60x = 76,737,897,378.24
  5. Step 5: Solve for x
    x = 76,737,897,378.24/230,837.60
  6. Step 6: Final answer
    x = 332,432.40

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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.