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Finding the Fourth Proportional to 264,287.82, 364,719.90 and 143,430.18

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Solution

The fourth proportional to 264,287.82, 364,719.90 and 143,430.18 is: 197,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,287.82 : 364,719.90 = 143,430.18 : x
  2. Step 2: Convert to fraction form
    264,287.82/364,719.90 = 143,430.18/x
  3. Step 3: Cross multiply
    264,287.82x = 364,719.90 × 143,430.18
  4. Step 4: Simplify right side
    264,287.82x = 52,311,840,906.58
  5. Step 5: Solve for x
    x = 52,311,840,906.58/264,287.82
  6. Step 6: Final answer
    x = 197,935.12

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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.