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Finding the Fourth Proportional to 340,760.60, 511,146.23 and 100,898.84

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Solution

The fourth proportional to 340,760.60, 511,146.23 and 100,898.84 is: 151,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,760.60 : 511,146.23 = 100,898.84 : x
  2. Step 2: Convert to fraction form
    340,760.60/511,146.23 = 100,898.84/x
  3. Step 3: Cross multiply
    340,760.60x = 511,146.23 × 100,898.84
  4. Step 4: Simplify right side
    340,760.60x = 51,574,058,617.15
  5. Step 5: Solve for x
    x = 51,574,058,617.15/340,760.60
  6. Step 6: Final answer
    x = 151,349.83

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1.5x scale

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.