Home / 254,461.23-381,823.07-104,812.11

Finding the Fourth Proportional to 254,461.23, 381,823.07 and 104,812.11

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Solution

The fourth proportional to 254,461.23, 381,823.07 and 104,812.11 is: 157,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,461.23 : 381,823.07 = 104,812.11 : x
  2. Step 2: Convert to fraction form
    254,461.23/381,823.07 = 104,812.11/x
  3. Step 3: Cross multiply
    254,461.23x = 381,823.07 × 104,812.11
  4. Step 4: Simplify right side
    254,461.23x = 40,019,681,089.32
  5. Step 5: Solve for x
    x = 40,019,681,089.32/254,461.23
  6. Step 6: Final answer
    x = 157,272.21

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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.