Home / 325,280.16-449,090.38-209,040.77

Finding the Fourth Proportional to 325,280.16, 449,090.38 and 209,040.77

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Solution

The fourth proportional to 325,280.16, 449,090.38 and 209,040.77 is: 288,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,280.16 : 449,090.38 = 209,040.77 : x
  2. Step 2: Convert to fraction form
    325,280.16/449,090.38 = 209,040.77/x
  3. Step 3: Cross multiply
    325,280.16x = 449,090.38 × 209,040.77
  4. Step 4: Simplify right side
    325,280.16x = 93,878,198,834.79
  5. Step 5: Solve for x
    x = 93,878,198,834.79/325,280.16
  6. Step 6: Final answer
    x = 288,607.21

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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.