Home / 260,449.04-390,795.12-92,096.88

Finding the Fourth Proportional to 260,449.04, 390,795.12 and 92,096.88

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Solution

The fourth proportional to 260,449.04, 390,795.12 and 92,096.88 is: 138,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,449.04 : 390,795.12 = 92,096.88 : x
  2. Step 2: Convert to fraction form
    260,449.04/390,795.12 = 92,096.88/x
  3. Step 3: Cross multiply
    260,449.04x = 390,795.12 × 92,096.88
  4. Step 4: Simplify right side
    260,449.04x = 35,991,011,271.23
  5. Step 5: Solve for x
    x = 35,991,011,271.23/260,449.04
  6. Step 6: Final answer
    x = 138,188.31

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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.