Home / 272,867.24-408,545.12-139,460.24

Finding the Fourth Proportional to 272,867.24, 408,545.12 and 139,460.24

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Solution

The fourth proportional to 272,867.24, 408,545.12 and 139,460.24 is: 208,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,867.24 : 408,545.12 = 139,460.24 : x
  2. Step 2: Convert to fraction form
    272,867.24/408,545.12 = 139,460.24/x
  3. Step 3: Cross multiply
    272,867.24x = 408,545.12 × 139,460.24
  4. Step 4: Simplify right side
    272,867.24x = 56,975,800,486.03
  5. Step 5: Solve for x
    x = 56,975,800,486.03/272,867.24
  6. Step 6: Final answer
    x = 208,804.11

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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.