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Finding the Fourth Proportional to 636,521.34, 954,811.85 and 210,094.38

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Solution

The fourth proportional to 636,521.34, 954,811.85 and 210,094.38 is: 315,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,521.34 : 954,811.85 = 210,094.38 : x
  2. Step 2: Convert to fraction form
    636,521.34/954,811.85 = 210,094.38/x
  3. Step 3: Cross multiply
    636,521.34x = 954,811.85 × 210,094.38
  4. Step 4: Simplify right side
    636,521.34x = 200,600,606,459.12
  5. Step 5: Solve for x
    x = 200,600,606,459.12/636,521.34
  6. Step 6: Final answer
    x = 315,151.42

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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.