Home / 189,899.21-284,848.82-49,656.62

Finding the Fourth Proportional to 189,899.21, 284,848.82 and 49,656.62

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Solution

The fourth proportional to 189,899.21, 284,848.82 and 49,656.62 is: 74,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,899.21 : 284,848.82 = 49,656.62 : x
  2. Step 2: Convert to fraction form
    189,899.21/284,848.82 = 49,656.62/x
  3. Step 3: Cross multiply
    189,899.21x = 284,848.82 × 49,656.62
  4. Step 4: Simplify right side
    189,899.21x = 14,144,629,612.19
  5. Step 5: Solve for x
    x = 14,144,629,612.19/189,899.21
  6. Step 6: Final answer
    x = 74,484.93

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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.