Home / 370,185.17-555,311.63-103,943.88

Finding the Fourth Proportional to 370,185.17, 555,311.63 and 103,943.88

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Solution

The fourth proportional to 370,185.17, 555,311.63 and 103,943.88 is: 155,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,185.17 : 555,311.63 = 103,943.88 : x
  2. Step 2: Convert to fraction form
    370,185.17/555,311.63 = 103,943.88/x
  3. Step 3: Cross multiply
    370,185.17x = 555,311.63 × 103,943.88
  4. Step 4: Simplify right side
    370,185.17x = 57,721,245,431.32
  5. Step 5: Solve for x
    x = 57,721,245,431.32/370,185.17
  6. Step 6: Final answer
    x = 155,925.33

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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.