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Finding the Fourth Proportional to 264,544.42, 365,073.95 and 143,688.07

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Solution

The fourth proportional to 264,544.42, 365,073.95 and 143,688.07 is: 198,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,544.42 : 365,073.95 = 143,688.07 : x
  2. Step 2: Convert to fraction form
    264,544.42/365,073.95 = 143,688.07/x
  3. Step 3: Cross multiply
    264,544.42x = 365,073.95 × 143,688.07
  4. Step 4: Simplify right side
    264,544.42x = 52,456,768,738.97
  5. Step 5: Solve for x
    x = 52,456,768,738.97/264,544.42
  6. Step 6: Final answer
    x = 198,290.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.