Home / 254,715.20-382,072.80-164,902.40

Finding the Fourth Proportional to 254,715.20, 382,072.80 and 164,902.40

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Solution

The fourth proportional to 254,715.20, 382,072.80 and 164,902.40 is: 247,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,715.20 : 382,072.80 = 164,902.40 : x
  2. Step 2: Convert to fraction form
    254,715.20/382,072.80 = 164,902.40/x
  3. Step 3: Cross multiply
    254,715.20x = 382,072.80 × 164,902.40
  4. Step 4: Simplify right side
    254,715.20x = 63,004,721,694.72
  5. Step 5: Solve for x
    x = 63,004,721,694.72/254,715.20
  6. Step 6: Final answer
    x = 247,353.60

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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.