Home / 272,628.40-409,538.76-194,246.32

Finding the Fourth Proportional to 272,628.40, 409,538.76 and 194,246.32

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Solution

The fourth proportional to 272,628.40, 409,538.76 and 194,246.32 is: 291,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,628.40 : 409,538.76 = 194,246.32 : x
  2. Step 2: Convert to fraction form
    272,628.40/409,538.76 = 194,246.32/x
  3. Step 3: Cross multiply
    272,628.40x = 409,538.76 × 194,246.32
  4. Step 4: Simplify right side
    272,628.40x = 79,551,397,027.36
  5. Step 5: Solve for x
    x = 79,551,397,027.36/272,628.40
  6. Step 6: Final answer
    x = 291,794.24

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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.