Home / 403,837.10-557,309.18-220,090.98

Finding the Fourth Proportional to 403,837.10, 557,309.18 and 220,090.98

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Solution

The fourth proportional to 403,837.10, 557,309.18 and 220,090.98 is: 303,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,837.10 : 557,309.18 = 220,090.98 : x
  2. Step 2: Convert to fraction form
    403,837.10/557,309.18 = 220,090.98/x
  3. Step 3: Cross multiply
    403,837.10x = 557,309.18 × 220,090.98
  4. Step 4: Simplify right side
    403,837.10x = 122,658,724,698.97
  5. Step 5: Solve for x
    x = 122,658,724,698.97/403,837.10
  6. Step 6: Final answer
    x = 303,733.18

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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.