Home / 287,384.04-396,977.22-260,556.84

Finding the Fourth Proportional to 287,384.04, 396,977.22 and 260,556.84

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Solution

The fourth proportional to 287,384.04, 396,977.22 and 260,556.84 is: 359,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,384.04 : 396,977.22 = 260,556.84 : x
  2. Step 2: Convert to fraction form
    287,384.04/396,977.22 = 260,556.84/x
  3. Step 3: Cross multiply
    287,384.04x = 396,977.22 × 260,556.84
  4. Step 4: Simplify right side
    287,384.04x = 103,435,129,995.19
  5. Step 5: Solve for x
    x = 103,435,129,995.19/287,384.04
  6. Step 6: Final answer
    x = 359,919.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.