Home / 356,848.32-492,415.20-205,993.92

Finding the Fourth Proportional to 356,848.32, 492,415.20 and 205,993.92

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Solution

The fourth proportional to 356,848.32, 492,415.20 and 205,993.92 is: 284,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,848.32 : 492,415.20 = 205,993.92 : x
  2. Step 2: Convert to fraction form
    356,848.32/492,415.20 = 205,993.92/x
  3. Step 3: Cross multiply
    356,848.32x = 492,415.20 × 205,993.92
  4. Step 4: Simplify right side
    356,848.32x = 101,434,537,315.58
  5. Step 5: Solve for x
    x = 101,434,537,315.58/356,848.32
  6. Step 6: Final answer
    x = 284,251.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.