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Finding the Fourth Proportional to 284,874.20, 426,748.10 and 249,853.40

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Solution

The fourth proportional to 284,874.20, 426,748.10 and 249,853.40 is: 374,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,874.20 : 426,748.10 = 249,853.40 : x
  2. Step 2: Convert to fraction form
    284,874.20/426,748.10 = 249,853.40/x
  3. Step 3: Cross multiply
    284,874.20x = 426,748.10 × 249,853.40
  4. Step 4: Simplify right side
    284,874.20x = 106,624,463,728.54
  5. Step 5: Solve for x
    x = 106,624,463,728.54/284,874.20
  6. Step 6: Final answer
    x = 374,286.14

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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.