Home / 330,032.73-494,521.77-211,605.87

Finding the Fourth Proportional to 330,032.73, 494,521.77 and 211,605.87

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Solution

The fourth proportional to 330,032.73, 494,521.77 and 211,605.87 is: 317,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,032.73 : 494,521.77 = 211,605.87 : x
  2. Step 2: Convert to fraction form
    330,032.73/494,521.77 = 211,605.87/x
  3. Step 3: Cross multiply
    330,032.73x = 494,521.77 × 211,605.87
  4. Step 4: Simplify right side
    330,032.73x = 104,643,709,374.79
  5. Step 5: Solve for x
    x = 104,643,709,374.79/330,032.73
  6. Step 6: Final answer
    x = 317,070.70

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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.