Home / 260,310.18-390,525.42-110,555.37

Finding the Fourth Proportional to 260,310.18, 390,525.42 and 110,555.37

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Solution

The fourth proportional to 260,310.18, 390,525.42 and 110,555.37 is: 165,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,310.18 : 390,525.42 = 110,555.37 : x
  2. Step 2: Convert to fraction form
    260,310.18/390,525.42 = 110,555.37/x
  3. Step 3: Cross multiply
    260,310.18x = 390,525.42 × 110,555.37
  4. Step 4: Simplify right side
    260,310.18x = 43,174,682,302.51
  5. Step 5: Solve for x
    x = 43,174,682,302.51/260,310.18
  6. Step 6: Final answer
    x = 165,858.60

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1.5x scale

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.