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Finding the Fourth Proportional to 268,546.52, 370,595.53 and 147,695.53

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Solution

The fourth proportional to 268,546.52, 370,595.53 and 147,695.53 is: 203,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,546.52 : 370,595.53 = 147,695.53 : x
  2. Step 2: Convert to fraction form
    268,546.52/370,595.53 = 147,695.53/x
  3. Step 3: Cross multiply
    268,546.52x = 370,595.53 × 147,695.53
  4. Step 4: Simplify right side
    268,546.52x = 54,735,302,477.11
  5. Step 5: Solve for x
    x = 54,735,302,477.11/268,546.52
  6. Step 6: Final answer
    x = 203,820.57

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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.