Home / 260,236.96-390,054.16-119,700.64

Finding the Fourth Proportional to 260,236.96, 390,054.16 and 119,700.64

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Solution

The fourth proportional to 260,236.96, 390,054.16 and 119,700.64 is: 179,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,236.96 : 390,054.16 = 119,700.64 : x
  2. Step 2: Convert to fraction form
    260,236.96/390,054.16 = 119,700.64/x
  3. Step 3: Cross multiply
    260,236.96x = 390,054.16 × 119,700.64
  4. Step 4: Simplify right side
    260,236.96x = 46,689,732,586.66
  5. Step 5: Solve for x
    x = 46,689,732,586.66/260,236.96
  6. Step 6: Final answer
    x = 179,412.38

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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.