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Finding the Fourth Proportional to 370,491.77, 511,278.54 and 200,725.89

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Solution

The fourth proportional to 370,491.77, 511,278.54 and 200,725.89 is: 277,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,491.77 : 511,278.54 = 200,725.89 : x
  2. Step 2: Convert to fraction form
    370,491.77/511,278.54 = 200,725.89/x
  3. Step 3: Cross multiply
    370,491.77x = 511,278.54 × 200,725.89
  4. Step 4: Simplify right side
    370,491.77x = 102,626,838,975.77
  5. Step 5: Solve for x
    x = 102,626,838,975.77/370,491.77
  6. Step 6: Final answer
    x = 277,001.67

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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.