Home / 219,981.60-329,972.40-167,493.60

Finding the Fourth Proportional to 219,981.60, 329,972.40 and 167,493.60

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Solution

The fourth proportional to 219,981.60, 329,972.40 and 167,493.60 is: 251,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,981.60 : 329,972.40 = 167,493.60 : x
  2. Step 2: Convert to fraction form
    219,981.60/329,972.40 = 167,493.60/x
  3. Step 3: Cross multiply
    219,981.60x = 329,972.40 × 167,493.60
  4. Step 4: Simplify right side
    219,981.60x = 55,268,265,176.64
  5. Step 5: Solve for x
    x = 55,268,265,176.64/219,981.60
  6. Step 6: Final answer
    x = 251,240.40

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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.