Home / 309,717.02-427,592.70-195,093.92

Finding the Fourth Proportional to 309,717.02, 427,592.70 and 195,093.92

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Solution

The fourth proportional to 309,717.02, 427,592.70 and 195,093.92 is: 269,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,717.02 : 427,592.70 = 195,093.92 : x
  2. Step 2: Convert to fraction form
    309,717.02/427,592.70 = 195,093.92/x
  3. Step 3: Cross multiply
    309,717.02x = 427,592.70 × 195,093.92
  4. Step 4: Simplify right side
    309,717.02x = 83,420,736,006.38
  5. Step 5: Solve for x
    x = 83,420,736,006.38/309,717.02
  6. Step 6: Final answer
    x = 269,345.02

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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.