Home / 254,898.20-382,638.90-149,776.40

Finding the Fourth Proportional to 254,898.20, 382,638.90 and 149,776.40

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Solution

The fourth proportional to 254,898.20, 382,638.90 and 149,776.40 is: 224,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,898.20 : 382,638.90 = 149,776.40 : x
  2. Step 2: Convert to fraction form
    254,898.20/382,638.90 = 149,776.40/x
  3. Step 3: Cross multiply
    254,898.20x = 382,638.90 × 149,776.40
  4. Step 4: Simplify right side
    254,898.20x = 57,310,276,941.96
  5. Step 5: Solve for x
    x = 57,310,276,941.96/254,898.20
  6. Step 6: Final answer
    x = 224,835.94

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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.