Home / 253,188.46-349,443.04-145,820.66

Finding the Fourth Proportional to 253,188.46, 349,443.04 and 145,820.66

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Solution

The fourth proportional to 253,188.46, 349,443.04 and 145,820.66 is: 201,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,188.46 : 349,443.04 = 145,820.66 : x
  2. Step 2: Convert to fraction form
    253,188.46/349,443.04 = 145,820.66/x
  3. Step 3: Cross multiply
    253,188.46x = 349,443.04 × 145,820.66
  4. Step 4: Simplify right side
    253,188.46x = 50,956,014,470.68
  5. Step 5: Solve for x
    x = 50,956,014,470.68/253,188.46
  6. Step 6: Final answer
    x = 201,257.25

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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.