Home / 356,742.16-492,285.32-203,750.28

Finding the Fourth Proportional to 356,742.16, 492,285.32 and 203,750.28

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Solution

The fourth proportional to 356,742.16, 492,285.32 and 203,750.28 is: 281,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,742.16 : 492,285.32 = 203,750.28 : x
  2. Step 2: Convert to fraction form
    356,742.16/492,285.32 = 203,750.28/x
  3. Step 3: Cross multiply
    356,742.16x = 492,285.32 × 203,750.28
  4. Step 4: Simplify right side
    356,742.16x = 100,303,271,789.89
  5. Step 5: Solve for x
    x = 100,303,271,789.89/356,742.16
  6. Step 6: Final answer
    x = 281,164.61

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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.