Home / 260,325.45-390,619.61-118,080.06

Finding the Fourth Proportional to 260,325.45, 390,619.61 and 118,080.06

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Solution

The fourth proportional to 260,325.45, 390,619.61 and 118,080.06 is: 177,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,325.45 : 390,619.61 = 118,080.06 : x
  2. Step 2: Convert to fraction form
    260,325.45/390,619.61 = 118,080.06/x
  3. Step 3: Cross multiply
    260,325.45x = 390,619.61 × 118,080.06
  4. Step 4: Simplify right side
    260,325.45x = 46,124,386,395.58
  5. Step 5: Solve for x
    x = 46,124,386,395.58/260,325.45
  6. Step 6: Final answer
    x = 177,179.71

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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.