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Finding the Fourth Proportional to 401,475.63, 554,036.37 and 222,627.63

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Solution

The fourth proportional to 401,475.63, 554,036.37 and 222,627.63 is: 307,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,475.63 : 554,036.37 = 222,627.63 : x
  2. Step 2: Convert to fraction form
    401,475.63/554,036.37 = 222,627.63/x
  3. Step 3: Cross multiply
    401,475.63x = 554,036.37 × 222,627.63
  4. Step 4: Simplify right side
    401,475.63x = 123,343,803,986.90
  5. Step 5: Solve for x
    x = 123,343,803,986.90/401,475.63
  6. Step 6: Final answer
    x = 307,226.13

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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.