Home / 303,214.90-454,822.35-288,452.65

Finding the Fourth Proportional to 303,214.90, 454,822.35 and 288,452.65

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Solution

The fourth proportional to 303,214.90, 454,822.35 and 288,452.65 is: 432,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,214.90 : 454,822.35 = 288,452.65 : x
  2. Step 2: Convert to fraction form
    303,214.90/454,822.35 = 288,452.65/x
  3. Step 3: Cross multiply
    303,214.90x = 454,822.35 × 288,452.65
  4. Step 4: Simplify right side
    303,214.90x = 131,194,712,136.73
  5. Step 5: Solve for x
    x = 131,194,712,136.73/303,214.90
  6. Step 6: Final answer
    x = 432,678.98

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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.