Home / 491,459.94-736,566.62-221,299.83

Finding the Fourth Proportional to 491,459.94, 736,566.62 and 221,299.83

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Solution

The fourth proportional to 491,459.94, 736,566.62 and 221,299.83 is: 331,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,459.94 : 736,566.62 = 221,299.83 : x
  2. Step 2: Convert to fraction form
    491,459.94/736,566.62 = 221,299.83/x
  3. Step 3: Cross multiply
    491,459.94x = 736,566.62 × 221,299.83
  4. Step 4: Simplify right side
    491,459.94x = 163,002,066,683.18
  5. Step 5: Solve for x
    x = 163,002,066,683.18/491,459.94
  6. Step 6: Final answer
    x = 331,669.08

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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.