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Finding the Fourth Proportional to 340,686.13, 511,102.10 and 104,046.25

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Solution

The fourth proportional to 340,686.13, 511,102.10 and 104,046.25 is: 156,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,686.13 : 511,102.10 = 104,046.25 : x
  2. Step 2: Convert to fraction form
    340,686.13/511,102.10 = 104,046.25/x
  3. Step 3: Cross multiply
    340,686.13x = 511,102.10 × 104,046.25
  4. Step 4: Simplify right side
    340,686.13x = 53,178,256,872.13
  5. Step 5: Solve for x
    x = 53,178,256,872.13/340,686.13
  6. Step 6: Final answer
    x = 156,091.64

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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.