Home / 262,693.60-362,271.12-209,155.36

Finding the Fourth Proportional to 262,693.60, 362,271.12 and 209,155.36

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Solution

The fourth proportional to 262,693.60, 362,271.12 and 209,155.36 is: 288,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,693.60 : 362,271.12 = 209,155.36 : x
  2. Step 2: Convert to fraction form
    262,693.60/362,271.12 = 209,155.36/x
  3. Step 3: Cross multiply
    262,693.60x = 362,271.12 × 209,155.36
  4. Step 4: Simplify right side
    262,693.60x = 75,770,946,521.20
  5. Step 5: Solve for x
    x = 75,770,946,521.20/262,693.60
  6. Step 6: Final answer
    x = 288,438.49

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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.