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Finding the Fourth Proportional to 284,450.20, 426,675.30 and 144,482.20

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Solution

The fourth proportional to 284,450.20, 426,675.30 and 144,482.20 is: 216,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,450.20 : 426,675.30 = 144,482.20 : x
  2. Step 2: Convert to fraction form
    284,450.20/426,675.30 = 144,482.20/x
  3. Step 3: Cross multiply
    284,450.20x = 426,675.30 × 144,482.20
  4. Step 4: Simplify right side
    284,450.20x = 61,646,986,029.66
  5. Step 5: Solve for x
    x = 61,646,986,029.66/284,450.20
  6. Step 6: Final answer
    x = 216,723.30

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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.