Home / 381,927.35-527,063.36-209,848.93

Finding the Fourth Proportional to 381,927.35, 527,063.36 and 209,848.93

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Solution

The fourth proportional to 381,927.35, 527,063.36 and 209,848.93 is: 289,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,927.35 : 527,063.36 = 209,848.93 : x
  2. Step 2: Convert to fraction form
    381,927.35/527,063.36 = 209,848.93/x
  3. Step 3: Cross multiply
    381,927.35x = 527,063.36 × 209,848.93
  4. Step 4: Simplify right side
    381,927.35x = 110,603,679,771.30
  5. Step 5: Solve for x
    x = 110,603,679,771.30/381,927.35
  6. Step 6: Final answer
    x = 289,593.50

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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.