Home / 189,429.24-284,190.63-56,308.92

Finding the Fourth Proportional to 189,429.24, 284,190.63 and 56,308.92

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Solution

The fourth proportional to 189,429.24, 284,190.63 and 56,308.92 is: 84,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,429.24 : 284,190.63 = 56,308.92 : x
  2. Step 2: Convert to fraction form
    189,429.24/284,190.63 = 56,308.92/x
  3. Step 3: Cross multiply
    189,429.24x = 284,190.63 × 56,308.92
  4. Step 4: Simplify right side
    189,429.24x = 16,002,467,449.42
  5. Step 5: Solve for x
    x = 16,002,467,449.42/189,429.24
  6. Step 6: Final answer
    x = 84,477.28

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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.