Home / 202,448.48-279,381.12-111,804.28

Finding the Fourth Proportional to 202,448.48, 279,381.12 and 111,804.28

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Solution

The fourth proportional to 202,448.48, 279,381.12 and 111,804.28 is: 154,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,448.48 : 279,381.12 = 111,804.28 : x
  2. Step 2: Convert to fraction form
    202,448.48/279,381.12 = 111,804.28/x
  3. Step 3: Cross multiply
    202,448.48x = 279,381.12 × 111,804.28
  4. Step 4: Simplify right side
    202,448.48x = 31,236,004,967.19
  5. Step 5: Solve for x
    x = 31,236,004,967.19/202,448.48
  6. Step 6: Final answer
    x = 154,291.13

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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.