Home / 356,460.12-534,757.62-143,244.63

Finding the Fourth Proportional to 356,460.12, 534,757.62 and 143,244.63

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Solution

The fourth proportional to 356,460.12, 534,757.62 and 143,244.63 is: 214,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,460.12 : 534,757.62 = 143,244.63 : x
  2. Step 2: Convert to fraction form
    356,460.12/534,757.62 = 143,244.63/x
  3. Step 3: Cross multiply
    356,460.12x = 534,757.62 × 143,244.63
  4. Step 4: Simplify right side
    356,460.12x = 76,601,156,700.36
  5. Step 5: Solve for x
    x = 76,601,156,700.36/356,460.12
  6. Step 6: Final answer
    x = 214,894.04

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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.