Home / 284,284.19-426,934.54-272,855.25

Finding the Fourth Proportional to 284,284.19, 426,934.54 and 272,855.25

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Solution

The fourth proportional to 284,284.19, 426,934.54 and 272,855.25 is: 409,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,284.19 : 426,934.54 = 272,855.25 : x
  2. Step 2: Convert to fraction form
    284,284.19/426,934.54 = 272,855.25/x
  3. Step 3: Cross multiply
    284,284.19x = 426,934.54 × 272,855.25
  4. Step 4: Simplify right side
    284,284.19x = 116,491,330,645.34
  5. Step 5: Solve for x
    x = 116,491,330,645.34/284,284.19
  6. Step 6: Final answer
    x = 409,770.70

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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.