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Finding the Fourth Proportional to 306,163.39, 459,253.73 and 84,547.39

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Solution

The fourth proportional to 306,163.39, 459,253.73 and 84,547.39 is: 126,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,163.39 : 459,253.73 = 84,547.39 : x
  2. Step 2: Convert to fraction form
    306,163.39/459,253.73 = 84,547.39/x
  3. Step 3: Cross multiply
    306,163.39x = 459,253.73 × 84,547.39
  4. Step 4: Simplify right side
    306,163.39x = 38,828,704,219.26
  5. Step 5: Solve for x
    x = 38,828,704,219.26/306,163.39
  6. Step 6: Final answer
    x = 126,823.47

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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.