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Finding the Fourth Proportional to 248,454, 342,865.08 and 141,044.40

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Solution

The fourth proportional to 248,454, 342,865.08 and 141,044.40 is: 194,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,454 : 342,865.08 = 141,044.40 : x
  2. Step 2: Convert to fraction form
    248,454/342,865.08 = 141,044.40/x
  3. Step 3: Cross multiply
    248,454x = 342,865.08 × 141,044.40
  4. Step 4: Simplify right side
    248,454x = 48,359,199,489.55
  5. Step 5: Solve for x
    x = 48,359,199,489.55/248,454
  6. Step 6: Final answer
    x = 194,640.45

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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.