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Finding the Fourth Proportional to 254,014.89, 381,197.30 and 87,802.89

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Solution

The fourth proportional to 254,014.89, 381,197.30 and 87,802.89 is: 131,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,014.89 : 381,197.30 = 87,802.89 : x
  2. Step 2: Convert to fraction form
    254,014.89/381,197.30 = 87,802.89/x
  3. Step 3: Cross multiply
    254,014.89x = 381,197.30 × 87,802.89
  4. Step 4: Simplify right side
    254,014.89x = 33,470,224,161.18
  5. Step 5: Solve for x
    x = 33,470,224,161.18/254,014.89
  6. Step 6: Final answer
    x = 131,764.81

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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.