Home / 403,966.51-557,473.64-222,681.49

Finding the Fourth Proportional to 403,966.51, 557,473.64 and 222,681.49

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Solution

The fourth proportional to 403,966.51, 557,473.64 and 222,681.49 is: 307,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,966.51 : 557,473.64 = 222,681.49 : x
  2. Step 2: Convert to fraction form
    403,966.51/557,473.64 = 222,681.49/x
  3. Step 3: Cross multiply
    403,966.51x = 557,473.64 × 222,681.49
  4. Step 4: Simplify right side
    403,966.51x = 124,139,058,283.83
  5. Step 5: Solve for x
    x = 124,139,058,283.83/403,966.51
  6. Step 6: Final answer
    x = 307,300.37

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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.