Home / 208,568.21-312,851.93-180,404.51

Finding the Fourth Proportional to 208,568.21, 312,851.93 and 180,404.51

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Solution

The fourth proportional to 208,568.21, 312,851.93 and 180,404.51 is: 270,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,568.21 : 312,851.93 = 180,404.51 : x
  2. Step 2: Convert to fraction form
    208,568.21/312,851.93 = 180,404.51/x
  3. Step 3: Cross multiply
    208,568.21x = 312,851.93 × 180,404.51
  4. Step 4: Simplify right side
    208,568.21x = 56,439,896,667.92
  5. Step 5: Solve for x
    x = 56,439,896,667.92/208,568.21
  6. Step 6: Final answer
    x = 270,606.43

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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.