Home / 260,856.62-390,573.54-197,485.05

Finding the Fourth Proportional to 260,856.62, 390,573.54 and 197,485.05

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Solution

The fourth proportional to 260,856.62, 390,573.54 and 197,485.05 is: 295,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,856.62 : 390,573.54 = 197,485.05 : x
  2. Step 2: Convert to fraction form
    260,856.62/390,573.54 = 197,485.05/x
  3. Step 3: Cross multiply
    260,856.62x = 390,573.54 × 197,485.05
  4. Step 4: Simplify right side
    260,856.62x = 77,132,435,075.58
  5. Step 5: Solve for x
    x = 77,132,435,075.58/260,856.62
  6. Step 6: Final answer
    x = 295,689.01

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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.