Home / 370,186.31-555,313.35-103,945.03

Finding the Fourth Proportional to 370,186.31, 555,313.35 and 103,945.03

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Solution

The fourth proportional to 370,186.31, 555,313.35 and 103,945.03 is: 155,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,186.31 : 555,313.35 = 103,945.03 : x
  2. Step 2: Convert to fraction form
    370,186.31/555,313.35 = 103,945.03/x
  3. Step 3: Cross multiply
    370,186.31x = 555,313.35 × 103,945.03
  4. Step 4: Simplify right side
    370,186.31x = 57,722,062,955.08
  5. Step 5: Solve for x
    x = 57,722,062,955.08/370,186.31
  6. Step 6: Final answer
    x = 155,927.06

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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.