Home / 254,004.60-380,618.10-240,007.80

Finding the Fourth Proportional to 254,004.60, 380,618.10 and 240,007.80

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Solution

The fourth proportional to 254,004.60, 380,618.10 and 240,007.80 is: 359,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,004.60 : 380,618.10 = 240,007.80 : x
  2. Step 2: Convert to fraction form
    254,004.60/380,618.10 = 240,007.80/x
  3. Step 3: Cross multiply
    254,004.60x = 380,618.10 × 240,007.80
  4. Step 4: Simplify right side
    254,004.60x = 91,351,312,821.18
  5. Step 5: Solve for x
    x = 91,351,312,821.18/254,004.60
  6. Step 6: Final answer
    x = 359,644.32

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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.