Home / 403,004.07-556,150.28-230,918.63

Finding the Fourth Proportional to 403,004.07, 556,150.28 and 230,918.63

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Solution

The fourth proportional to 403,004.07, 556,150.28 and 230,918.63 is: 318,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,004.07 : 556,150.28 = 230,918.63 : x
  2. Step 2: Convert to fraction form
    403,004.07/556,150.28 = 230,918.63/x
  3. Step 3: Cross multiply
    403,004.07x = 556,150.28 × 230,918.63
  4. Step 4: Simplify right side
    403,004.07x = 128,425,456,796.37
  5. Step 5: Solve for x
    x = 128,425,456,796.37/403,004.07
  6. Step 6: Final answer
    x = 318,670.37

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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.