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Finding the Fourth Proportional to 459,496.82, 634,011.93 and 268,473.30

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Solution

The fourth proportional to 459,496.82, 634,011.93 and 268,473.30 is: 370,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,496.82 : 634,011.93 = 268,473.30 : x
  2. Step 2: Convert to fraction form
    459,496.82/634,011.93 = 268,473.30/x
  3. Step 3: Cross multiply
    459,496.82x = 634,011.93 × 268,473.30
  4. Step 4: Simplify right side
    459,496.82x = 170,215,275,086.47
  5. Step 5: Solve for x
    x = 170,215,275,086.47/459,496.82
  6. Step 6: Final answer
    x = 370,438.42

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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.