Home / 262,476.12-393,776.90-84,983.34

Finding the Fourth Proportional to 262,476.12, 393,776.90 and 84,983.34

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Solution

The fourth proportional to 262,476.12, 393,776.90 and 84,983.34 is: 127,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476.12 : 393,776.90 = 84,983.34 : x
  2. Step 2: Convert to fraction form
    262,476.12/393,776.90 = 84,983.34/x
  3. Step 3: Cross multiply
    262,476.12x = 393,776.90 × 84,983.34
  4. Step 4: Simplify right side
    262,476.12x = 33,464,476,176.85
  5. Step 5: Solve for x
    x = 33,464,476,176.85/262,476.12
  6. Step 6: Final answer
    x = 127,495.32

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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.