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Finding the Fourth Proportional to 248,466, 342,865.44 and 141,038.16

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Solution

The fourth proportional to 248,466, 342,865.44 and 141,038.16 is: 194,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,466 : 342,865.44 = 141,038.16 : x
  2. Step 2: Convert to fraction form
    248,466/342,865.44 = 141,038.16/x
  3. Step 3: Cross multiply
    248,466x = 342,865.44 × 141,038.16
  4. Step 4: Simplify right side
    248,466x = 48,357,110,785.19
  5. Step 5: Solve for x
    x = 48,357,110,785.19/248,466
  6. Step 6: Final answer
    x = 194,622.65

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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.