Home / 272,572.61-408,942.65-139,546.24

Finding the Fourth Proportional to 272,572.61, 408,942.65 and 139,546.24

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Solution

The fourth proportional to 272,572.61, 408,942.65 and 139,546.24 is: 209,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,572.61 : 408,942.65 = 139,546.24 : x
  2. Step 2: Convert to fraction form
    272,572.61/408,942.65 = 139,546.24/x
  3. Step 3: Cross multiply
    272,572.61x = 408,942.65 × 139,546.24
  4. Step 4: Simplify right side
    272,572.61x = 57,066,408,509.65
  5. Step 5: Solve for x
    x = 57,066,408,509.65/272,572.61
  6. Step 6: Final answer
    x = 209,362.23

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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.