Home / 262,635.12-362,421.56-155,215.16

Finding the Fourth Proportional to 262,635.12, 362,421.56 and 155,215.16

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Solution

The fourth proportional to 262,635.12, 362,421.56 and 155,215.16 is: 214,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,635.12 : 362,421.56 = 155,215.16 : x
  2. Step 2: Convert to fraction form
    262,635.12/362,421.56 = 155,215.16/x
  3. Step 3: Cross multiply
    262,635.12x = 362,421.56 × 155,215.16
  4. Step 4: Simplify right side
    262,635.12x = 56,253,320,422.85
  5. Step 5: Solve for x
    x = 56,253,320,422.85/262,635.12
  6. Step 6: Final answer
    x = 214,188.11

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1.5x scale

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.