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Finding the Fourth Proportional to 283,913.20, 425,869.80 and 233,174.80

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Solution

The fourth proportional to 283,913.20, 425,869.80 and 233,174.80 is: 349,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,913.20 : 425,869.80 = 233,174.80 : x
  2. Step 2: Convert to fraction form
    283,913.20/425,869.80 = 233,174.80/x
  3. Step 3: Cross multiply
    283,913.20x = 425,869.80 × 233,174.80
  4. Step 4: Simplify right side
    283,913.20x = 99,302,105,441.04
  5. Step 5: Solve for x
    x = 99,302,105,441.04/283,913.20
  6. Step 6: Final answer
    x = 349,762.20

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1.5x scale

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.