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Finding the Fourth Proportional to 264,359.70, 364,805.64 and 143,496.36

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Solution

The fourth proportional to 264,359.70, 364,805.64 and 143,496.36 is: 198,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,359.70 : 364,805.64 = 143,496.36 : x
  2. Step 2: Convert to fraction form
    264,359.70/364,805.64 = 143,496.36/x
  3. Step 3: Cross multiply
    264,359.70x = 364,805.64 × 143,496.36
  4. Step 4: Simplify right side
    264,359.70x = 52,348,281,447.47
  5. Step 5: Solve for x
    x = 52,348,281,447.47/264,359.70
  6. Step 6: Final answer
    x = 198,019.14

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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.