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Finding the Fourth Proportional to 518,850.89, 778,234.79 and 230,751.74

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Solution

The fourth proportional to 518,850.89, 778,234.79 and 230,751.74 is: 346,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,850.89 : 778,234.79 = 230,751.74 : x
  2. Step 2: Convert to fraction form
    518,850.89/778,234.79 = 230,751.74/x
  3. Step 3: Cross multiply
    518,850.89x = 778,234.79 × 230,751.74
  4. Step 4: Simplify right side
    518,850.89x = 179,579,026,876.10
  5. Step 5: Solve for x
    x = 179,579,026,876.10/518,850.89
  6. Step 6: Final answer
    x = 346,109.13

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1.5x scale

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.