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Finding the Fourth Proportional to 370,598.40, 555,329.52 and 193,163.04

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Solution

The fourth proportional to 370,598.40, 555,329.52 and 193,163.04 is: 289,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,598.40 : 555,329.52 = 193,163.04 : x
  2. Step 2: Convert to fraction form
    370,598.40/555,329.52 = 193,163.04/x
  3. Step 3: Cross multiply
    370,598.40x = 555,329.52 × 193,163.04
  4. Step 4: Simplify right side
    370,598.40x = 107,269,138,284.94
  5. Step 5: Solve for x
    x = 107,269,138,284.94/370,598.40
  6. Step 6: Final answer
    x = 289,448.47

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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.