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Finding the Fourth Proportional to 404,723.68, 606,898.64 and 236,293.36

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Solution

The fourth proportional to 404,723.68, 606,898.64 and 236,293.36 is: 354,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,723.68 : 606,898.64 = 236,293.36 : x
  2. Step 2: Convert to fraction form
    404,723.68/606,898.64 = 236,293.36/x
  3. Step 3: Cross multiply
    404,723.68x = 606,898.64 × 236,293.36
  4. Step 4: Simplify right side
    404,723.68x = 143,406,118,825.03
  5. Step 5: Solve for x
    x = 143,406,118,825.03/404,723.68
  6. Step 6: Final answer
    x = 354,330.93

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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.