Home / 289,549.14-433,725.90-214,753.74

Finding the Fourth Proportional to 289,549.14, 433,725.90 and 214,753.74

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Solution

The fourth proportional to 289,549.14, 433,725.90 and 214,753.74 is: 321,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,549.14 : 433,725.90 = 214,753.74 : x
  2. Step 2: Convert to fraction form
    289,549.14/433,725.90 = 214,753.74/x
  3. Step 3: Cross multiply
    289,549.14x = 433,725.90 × 214,753.74
  4. Step 4: Simplify right side
    289,549.14x = 93,144,259,159.87
  5. Step 5: Solve for x
    x = 93,144,259,159.87/289,549.14
  6. Step 6: Final answer
    x = 321,687.22

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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.