Home / 356,454.03-534,639.42-143,213.34

Finding the Fourth Proportional to 356,454.03, 534,639.42 and 143,213.34

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Solution

The fourth proportional to 356,454.03, 534,639.42 and 143,213.34 is: 214,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,454.03 : 534,639.42 = 143,213.34 : x
  2. Step 2: Convert to fraction form
    356,454.03/534,639.42 = 143,213.34/x
  3. Step 3: Cross multiply
    356,454.03x = 534,639.42 × 143,213.34
  4. Step 4: Simplify right side
    356,454.03x = 76,567,497,033.86
  5. Step 5: Solve for x
    x = 76,567,497,033.86/356,454.03
  6. Step 6: Final answer
    x = 214,803.29

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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.