Home / 370,186.79-555,314.07-103,945.51

Finding the Fourth Proportional to 370,186.79, 555,314.07 and 103,945.51

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Solution

The fourth proportional to 370,186.79, 555,314.07 and 103,945.51 is: 155,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,186.79 : 555,314.07 = 103,945.51 : x
  2. Step 2: Convert to fraction form
    370,186.79/555,314.07 = 103,945.51/x
  3. Step 3: Cross multiply
    370,186.79x = 555,314.07 × 103,945.51
  4. Step 4: Simplify right side
    370,186.79x = 57,722,404,216.33
  5. Step 5: Solve for x
    x = 57,722,404,216.33/370,186.79
  6. Step 6: Final answer
    x = 155,927.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.