Home / 260,317.02-390,524.39-118,172.27

Finding the Fourth Proportional to 260,317.02, 390,524.39 and 118,172.27

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Solution

The fourth proportional to 260,317.02, 390,524.39 and 118,172.27 is: 177,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,317.02 : 390,524.39 = 118,172.27 : x
  2. Step 2: Convert to fraction form
    260,317.02/390,524.39 = 118,172.27/x
  3. Step 3: Cross multiply
    260,317.02x = 390,524.39 × 118,172.27
  4. Step 4: Simplify right side
    260,317.02x = 46,149,152,288.56
  5. Step 5: Solve for x
    x = 46,149,152,288.56/260,317.02
  6. Step 6: Final answer
    x = 177,280.58

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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.