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Finding the Fourth Proportional to 340,852.80, 511,279.20 and 100,975.35

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Solution

The fourth proportional to 340,852.80, 511,279.20 and 100,975.35 is: 151,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,852.80 : 511,279.20 = 100,975.35 : x
  2. Step 2: Convert to fraction form
    340,852.80/511,279.20 = 100,975.35/x
  3. Step 3: Cross multiply
    340,852.80x = 511,279.20 × 100,975.35
  4. Step 4: Simplify right side
    340,852.80x = 51,626,596,167.72
  5. Step 5: Solve for x
    x = 51,626,596,167.72/340,852.80
  6. Step 6: Final answer
    x = 151,463.03

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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.