Home / 309,707.32-464,247.24-209,877.61

Finding the Fourth Proportional to 309,707.32, 464,247.24 and 209,877.61

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Solution

The fourth proportional to 309,707.32, 464,247.24 and 209,877.61 is: 314,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,707.32 : 464,247.24 = 209,877.61 : x
  2. Step 2: Convert to fraction form
    309,707.32/464,247.24 = 209,877.61/x
  3. Step 3: Cross multiply
    309,707.32x = 464,247.24 × 209,877.61
  4. Step 4: Simplify right side
    309,707.32x = 97,435,101,180.30
  5. Step 5: Solve for x
    x = 97,435,101,180.30/309,707.32
  6. Step 6: Final answer
    x = 314,603.80

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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.