Home / 254,905.40-382,358.10-216,851.60

Finding the Fourth Proportional to 254,905.40, 382,358.10 and 216,851.60

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Solution

The fourth proportional to 254,905.40, 382,358.10 and 216,851.60 is: 325,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,905.40 : 382,358.10 = 216,851.60 : x
  2. Step 2: Convert to fraction form
    254,905.40/382,358.10 = 216,851.60/x
  3. Step 3: Cross multiply
    254,905.40x = 382,358.10 × 216,851.60
  4. Step 4: Simplify right side
    254,905.40x = 82,914,965,757.96
  5. Step 5: Solve for x
    x = 82,914,965,757.96/254,905.40
  6. Step 6: Final answer
    x = 325,277.40

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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.