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Finding the Fourth Proportional to 242,504.42, 334,603.32 and 147,034.58

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Solution

The fourth proportional to 242,504.42, 334,603.32 and 147,034.58 is: 202,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,504.42 : 334,603.32 = 147,034.58 : x
  2. Step 2: Convert to fraction form
    242,504.42/334,603.32 = 147,034.58/x
  3. Step 3: Cross multiply
    242,504.42x = 334,603.32 × 147,034.58
  4. Step 4: Simplify right side
    242,504.42x = 49,198,258,622.81
  5. Step 5: Solve for x
    x = 49,198,258,622.81/242,504.42
  6. Step 6: Final answer
    x = 202,875.72

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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.