Home / 327,038.26-490,628.12-99,315.16

Finding the Fourth Proportional to 327,038.26, 490,628.12 and 99,315.16

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Solution

The fourth proportional to 327,038.26, 490,628.12 and 99,315.16 is: 148,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,038.26 : 490,628.12 = 99,315.16 : x
  2. Step 2: Convert to fraction form
    327,038.26/490,628.12 = 99,315.16/x
  3. Step 3: Cross multiply
    327,038.26x = 490,628.12 × 99,315.16
  4. Step 4: Simplify right side
    327,038.26x = 48,726,810,238.30
  5. Step 5: Solve for x
    x = 48,726,810,238.30/327,038.26
  6. Step 6: Final answer
    x = 148,994.22

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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.