Home / 370,186.81-555,314.10-103,945.53

Finding the Fourth Proportional to 370,186.81, 555,314.10 and 103,945.53

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Solution

The fourth proportional to 370,186.81, 555,314.10 and 103,945.53 is: 155,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,186.81 : 555,314.10 = 103,945.53 : x
  2. Step 2: Convert to fraction form
    370,186.81/555,314.10 = 103,945.53/x
  3. Step 3: Cross multiply
    370,186.81x = 555,314.10 × 103,945.53
  4. Step 4: Simplify right side
    370,186.81x = 57,722,418,440.97
  5. Step 5: Solve for x
    x = 57,722,418,440.97/370,186.81
  6. Step 6: Final answer
    x = 155,927.81

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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.