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Finding the Fourth Proportional to 254,007.60, 380,622.60 and 240,010.80

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Solution

The fourth proportional to 254,007.60, 380,622.60 and 240,010.80 is: 359,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,007.60 : 380,622.60 = 240,010.80 : x
  2. Step 2: Convert to fraction form
    254,007.60/380,622.60 = 240,010.80/x
  3. Step 3: Cross multiply
    254,007.60x = 380,622.60 × 240,010.80
  4. Step 4: Simplify right side
    254,007.60x = 91,353,534,724.08
  5. Step 5: Solve for x
    x = 91,353,534,724.08/254,007.60
  6. Step 6: Final answer
    x = 359,648.82

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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.