Home / 298,977.10-448,465.65-260,097.10

Finding the Fourth Proportional to 298,977.10, 448,465.65 and 260,097.10

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Solution

The fourth proportional to 298,977.10, 448,465.65 and 260,097.10 is: 390,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,977.10 : 448,465.65 = 260,097.10 : x
  2. Step 2: Convert to fraction form
    298,977.10/448,465.65 = 260,097.10/x
  3. Step 3: Cross multiply
    298,977.10x = 448,465.65 × 260,097.10
  4. Step 4: Simplify right side
    298,977.10x = 116,644,615,014.62
  5. Step 5: Solve for x
    x = 116,644,615,014.62/298,977.10
  6. Step 6: Final answer
    x = 390,145.65

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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.