Home / 341,873.07-512,809.97-89,153.34

Finding the Fourth Proportional to 341,873.07, 512,809.97 and 89,153.34

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Solution

The fourth proportional to 341,873.07, 512,809.97 and 89,153.34 is: 133,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,873.07 : 512,809.97 = 89,153.34 : x
  2. Step 2: Convert to fraction form
    341,873.07/512,809.97 = 89,153.34/x
  3. Step 3: Cross multiply
    341,873.07x = 512,809.97 × 89,153.34
  4. Step 4: Simplify right side
    341,873.07x = 45,718,721,610.80
  5. Step 5: Solve for x
    x = 45,718,721,610.80/341,873.07
  6. Step 6: Final answer
    x = 133,730.11

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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.