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Finding the Fourth Proportional to 248,670.90, 373,064.67 and 98,919.72

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Solution

The fourth proportional to 248,670.90, 373,064.67 and 98,919.72 is: 148,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,670.90 : 373,064.67 = 98,919.72 : x
  2. Step 2: Convert to fraction form
    248,670.90/373,064.67 = 98,919.72/x
  3. Step 3: Cross multiply
    248,670.90x = 373,064.67 × 98,919.72
  4. Step 4: Simplify right side
    248,670.90x = 36,903,452,698.29
  5. Step 5: Solve for x
    x = 36,903,452,698.29/248,670.90
  6. Step 6: Final answer
    x = 148,402.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.