Home / 403,851.12-557,318.22-222,569.62

Finding the Fourth Proportional to 403,851.12, 557,318.22 and 222,569.62

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Solution

The fourth proportional to 403,851.12, 557,318.22 and 222,569.62 is: 307,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,851.12 : 557,318.22 = 222,569.62 : x
  2. Step 2: Convert to fraction form
    403,851.12/557,318.22 = 222,569.62/x
  3. Step 3: Cross multiply
    403,851.12x = 557,318.22 × 222,569.62
  4. Step 4: Simplify right side
    403,851.12x = 124,042,106,603.41
  5. Step 5: Solve for x
    x = 124,042,106,603.41/403,851.12
  6. Step 6: Final answer
    x = 307,148.11

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1.5x scale

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.