Home / 260,409.42-390,212.19-175,838.13

Finding the Fourth Proportional to 260,409.42, 390,212.19 and 175,838.13

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Solution

The fourth proportional to 260,409.42, 390,212.19 and 175,838.13 is: 263,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,409.42 : 390,212.19 = 175,838.13 : x
  2. Step 2: Convert to fraction form
    260,409.42/390,212.19 = 175,838.13/x
  3. Step 3: Cross multiply
    260,409.42x = 390,212.19 × 175,838.13
  4. Step 4: Simplify right side
    260,409.42x = 68,614,181,792.80
  5. Step 5: Solve for x
    x = 68,614,181,792.80/260,409.42
  6. Step 6: Final answer
    x = 263,485.79

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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.