Home / 299,746.20-449,547.30-173,112.60

Finding the Fourth Proportional to 299,746.20, 449,547.30 and 173,112.60

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Solution

The fourth proportional to 299,746.20, 449,547.30 and 173,112.60 is: 259,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,746.20 : 449,547.30 = 173,112.60 : x
  2. Step 2: Convert to fraction form
    299,746.20/449,547.30 = 173,112.60/x
  3. Step 3: Cross multiply
    299,746.20x = 449,547.30 × 173,112.60
  4. Step 4: Simplify right side
    299,746.20x = 77,822,301,925.98
  5. Step 5: Solve for x
    x = 77,822,301,925.98/299,746.20
  6. Step 6: Final answer
    x = 259,627.32

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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.