Home / 254,868.60-382,475.70-165,905.40

Finding the Fourth Proportional to 254,868.60, 382,475.70 and 165,905.40

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Solution

The fourth proportional to 254,868.60, 382,475.70 and 165,905.40 is: 248,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,868.60 : 382,475.70 = 165,905.40 : x
  2. Step 2: Convert to fraction form
    254,868.60/382,475.70 = 165,905.40/x
  3. Step 3: Cross multiply
    254,868.60x = 382,475.70 × 165,905.40
  4. Step 4: Simplify right side
    254,868.60x = 63,454,783,998.78
  5. Step 5: Solve for x
    x = 63,454,783,998.78/254,868.60
  6. Step 6: Final answer
    x = 248,970.58

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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.