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Finding the Fourth Proportional to 268,130.88, 370,023.66 and 147,275

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Solution

The fourth proportional to 268,130.88, 370,023.66 and 147,275 is: 203,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,130.88 : 370,023.66 = 147,275 : x
  2. Step 2: Convert to fraction form
    268,130.88/370,023.66 = 147,275/x
  3. Step 3: Cross multiply
    268,130.88x = 370,023.66 × 147,275
  4. Step 4: Simplify right side
    268,130.88x = 54,495,233,790.13
  5. Step 5: Solve for x
    x = 54,495,233,790.13/268,130.88
  6. Step 6: Final answer
    x = 203,241.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.