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Finding the Fourth Proportional to 370,187.82, 555,503.85 and 159,825.51

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Solution

The fourth proportional to 370,187.82, 555,503.85 and 159,825.51 is: 239,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,187.82 : 555,503.85 = 159,825.51 : x
  2. Step 2: Convert to fraction form
    370,187.82/555,503.85 = 159,825.51/x
  3. Step 3: Cross multiply
    370,187.82x = 555,503.85 × 159,825.51
  4. Step 4: Simplify right side
    370,187.82x = 88,783,686,133.21
  5. Step 5: Solve for x
    x = 88,783,686,133.21/370,187.82
  6. Step 6: Final answer
    x = 239,834.16

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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.