Home / 260,208.48-390,046.83-147,650.91

Finding the Fourth Proportional to 260,208.48, 390,046.83 and 147,650.91

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Solution

The fourth proportional to 260,208.48, 390,046.83 and 147,650.91 is: 221,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,208.48 : 390,046.83 = 147,650.91 : x
  2. Step 2: Convert to fraction form
    260,208.48/390,046.83 = 147,650.91/x
  3. Step 3: Cross multiply
    260,208.48x = 390,046.83 × 147,650.91
  4. Step 4: Simplify right side
    260,208.48x = 57,590,769,392.12
  5. Step 5: Solve for x
    x = 57,590,769,392.12/260,208.48
  6. Step 6: Final answer
    x = 221,325.49

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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.