Home / 238,416.12-357,401.90-80,534.20

Finding the Fourth Proportional to 238,416.12, 357,401.90 and 80,534.20

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Solution

The fourth proportional to 238,416.12, 357,401.90 and 80,534.20 is: 120,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,416.12 : 357,401.90 = 80,534.20 : x
  2. Step 2: Convert to fraction form
    238,416.12/357,401.90 = 80,534.20/x
  3. Step 3: Cross multiply
    238,416.12x = 357,401.90 × 80,534.20
  4. Step 4: Simplify right side
    238,416.12x = 28,783,076,094.98
  5. Step 5: Solve for x
    x = 28,783,076,094.98/238,416.12
  6. Step 6: Final answer
    x = 120,726.22

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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.