Home / 403,821.90-557,271.63-222,535.26

Finding the Fourth Proportional to 403,821.90, 557,271.63 and 222,535.26

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Solution

The fourth proportional to 403,821.90, 557,271.63 and 222,535.26 is: 307,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,821.90 : 557,271.63 = 222,535.26 : x
  2. Step 2: Convert to fraction form
    403,821.90/557,271.63 = 222,535.26/x
  3. Step 3: Cross multiply
    403,821.90x = 557,271.63 × 222,535.26
  4. Step 4: Simplify right side
    403,821.90x = 124,012,587,072.67
  5. Step 5: Solve for x
    x = 124,012,587,072.67/403,821.90
  6. Step 6: Final answer
    x = 307,097.23

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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.