Home / 403,132.62-604,677.06-122,628

Finding the Fourth Proportional to 403,132.62, 604,677.06 and 122,628

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Solution

The fourth proportional to 403,132.62, 604,677.06 and 122,628 is: 183,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,132.62 : 604,677.06 = 122,628 : x
  2. Step 2: Convert to fraction form
    403,132.62/604,677.06 = 122,628/x
  3. Step 3: Cross multiply
    403,132.62x = 604,677.06 × 122,628
  4. Step 4: Simplify right side
    403,132.62x = 74,150,338,513.68
  5. Step 5: Solve for x
    x = 74,150,338,513.68/403,132.62
  6. Step 6: Final answer
    x = 183,935.35

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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.