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Finding the Fourth Proportional to 404,561.84, 606,655.02 and 236,130.66

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Solution

The fourth proportional to 404,561.84, 606,655.02 and 236,130.66 is: 354,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,561.84 : 606,655.02 = 236,130.66 : x
  2. Step 2: Convert to fraction form
    404,561.84/606,655.02 = 236,130.66/x
  3. Step 3: Cross multiply
    404,561.84x = 606,655.02 × 236,130.66
  4. Step 4: Simplify right side
    404,561.84x = 143,249,850,264.91
  5. Step 5: Solve for x
    x = 143,249,850,264.91/404,561.84
  6. Step 6: Final answer
    x = 354,086.41

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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.