Home / 260,274.24-390,376.80-73,300.32

Finding the Fourth Proportional to 260,274.24, 390,376.80 and 73,300.32

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Solution

The fourth proportional to 260,274.24, 390,376.80 and 73,300.32 is: 109,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,274.24 : 390,376.80 = 73,300.32 : x
  2. Step 2: Convert to fraction form
    260,274.24/390,376.80 = 73,300.32/x
  3. Step 3: Cross multiply
    260,274.24x = 390,376.80 × 73,300.32
  4. Step 4: Simplify right side
    260,274.24x = 28,614,744,360.58
  5. Step 5: Solve for x
    x = 28,614,744,360.58/260,274.24
  6. Step 6: Final answer
    x = 109,940.75

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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.