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Finding the Fourth Proportional to 260,154.62, 390,225.83 and 119,913.24

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Solution

The fourth proportional to 260,154.62, 390,225.83 and 119,913.24 is: 179,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,154.62 : 390,225.83 = 119,913.24 : x
  2. Step 2: Convert to fraction form
    260,154.62/390,225.83 = 119,913.24/x
  3. Step 3: Cross multiply
    260,154.62x = 390,225.83 × 119,913.24
  4. Step 4: Simplify right side
    260,154.62x = 46,793,243,007.42
  5. Step 5: Solve for x
    x = 46,793,243,007.42/260,154.62
  6. Step 6: Final answer
    x = 179,867.05

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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.