Home / 355,549.82-533,325.24-145,187.75

Finding the Fourth Proportional to 355,549.82, 533,325.24 and 145,187.75

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Solution

The fourth proportional to 355,549.82, 533,325.24 and 145,187.75 is: 217,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,549.82 : 533,325.24 = 145,187.75 : x
  2. Step 2: Convert to fraction form
    355,549.82/533,325.24 = 145,187.75/x
  3. Step 3: Cross multiply
    355,549.82x = 533,325.24 × 145,187.75
  4. Step 4: Simplify right side
    355,549.82x = 77,432,293,288.77
  5. Step 5: Solve for x
    x = 77,432,293,288.77/355,549.82
  6. Step 6: Final answer
    x = 217,781.84

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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.