Home / 403,941.72-557,471.70-222,686.04

Finding the Fourth Proportional to 403,941.72, 557,471.70 and 222,686.04

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Solution

The fourth proportional to 403,941.72, 557,471.70 and 222,686.04 is: 307,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,941.72 : 557,471.70 = 222,686.04 : x
  2. Step 2: Convert to fraction form
    403,941.72/557,471.70 = 222,686.04/x
  3. Step 3: Cross multiply
    403,941.72x = 557,471.70 × 222,686.04
  4. Step 4: Simplify right side
    403,941.72x = 124,141,165,285.07
  5. Step 5: Solve for x
    x = 124,141,165,285.07/403,941.72
  6. Step 6: Final answer
    x = 307,324.45

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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.