Home / 272,292.32-408,135.81-205,515.92

Finding the Fourth Proportional to 272,292.32, 408,135.81 and 205,515.92

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Solution

The fourth proportional to 272,292.32, 408,135.81 and 205,515.92 is: 308,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,292.32 : 408,135.81 = 205,515.92 : x
  2. Step 2: Convert to fraction form
    272,292.32/408,135.81 = 205,515.92/x
  3. Step 3: Cross multiply
    272,292.32x = 408,135.81 × 205,515.92
  4. Step 4: Simplify right side
    272,292.32x = 83,878,406,477.10
  5. Step 5: Solve for x
    x = 83,878,406,477.10/272,292.32
  6. Step 6: Final answer
    x = 308,045.44

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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.