Home / 260,180.40-390,562.20-201,277.20

Finding the Fourth Proportional to 260,180.40, 390,562.20 and 201,277.20

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Solution

The fourth proportional to 260,180.40, 390,562.20 and 201,277.20 is: 302,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,180.40 : 390,562.20 = 201,277.20 : x
  2. Step 2: Convert to fraction form
    260,180.40/390,562.20 = 201,277.20/x
  3. Step 3: Cross multiply
    260,180.40x = 390,562.20 × 201,277.20
  4. Step 4: Simplify right side
    260,180.40x = 78,611,266,041.84
  5. Step 5: Solve for x
    x = 78,611,266,041.84/260,180.40
  6. Step 6: Final answer
    x = 302,141.38

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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.