Home / 309,032.02-463,755.78-109,351.60

Finding the Fourth Proportional to 309,032.02, 463,755.78 and 109,351.60

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Solution

The fourth proportional to 309,032.02, 463,755.78 and 109,351.60 is: 164,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,032.02 : 463,755.78 = 109,351.60 : x
  2. Step 2: Convert to fraction form
    309,032.02/463,755.78 = 109,351.60/x
  3. Step 3: Cross multiply
    309,032.02x = 463,755.78 × 109,351.60
  4. Step 4: Simplify right side
    309,032.02x = 50,712,436,552.25
  5. Step 5: Solve for x
    x = 50,712,436,552.25/309,032.02
  6. Step 6: Final answer
    x = 164,100.91

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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.