Home / 283,926.57-426,152.30-143,783.61

Finding the Fourth Proportional to 283,926.57, 426,152.30 and 143,783.61

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Solution

The fourth proportional to 283,926.57, 426,152.30 and 143,783.61 is: 215,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,926.57 : 426,152.30 = 143,783.61 : x
  2. Step 2: Convert to fraction form
    283,926.57/426,152.30 = 143,783.61/x
  3. Step 3: Cross multiply
    283,926.57x = 426,152.30 × 143,783.61
  4. Step 4: Simplify right side
    283,926.57x = 61,273,715,384.88
  5. Step 5: Solve for x
    x = 61,273,715,384.88/283,926.57
  6. Step 6: Final answer
    x = 215,808.32

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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.