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Finding the Fourth Proportional to 284,467.70, 426,701.55 and 144,499.70

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Solution

The fourth proportional to 284,467.70, 426,701.55 and 144,499.70 is: 216,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,467.70 : 426,701.55 = 144,499.70 : x
  2. Step 2: Convert to fraction form
    284,467.70/426,701.55 = 144,499.70/x
  3. Step 3: Cross multiply
    284,467.70x = 426,701.55 × 144,499.70
  4. Step 4: Simplify right side
    284,467.70x = 61,658,245,964.54
  5. Step 5: Solve for x
    x = 61,658,245,964.54/284,467.70
  6. Step 6: Final answer
    x = 216,749.55

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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.