Home / 284,861.81-393,208.16-164,051.19

Finding the Fourth Proportional to 284,861.81, 393,208.16 and 164,051.19

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Solution

The fourth proportional to 284,861.81, 393,208.16 and 164,051.19 is: 226,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,861.81 : 393,208.16 = 164,051.19 : x
  2. Step 2: Convert to fraction form
    284,861.81/393,208.16 = 164,051.19/x
  3. Step 3: Cross multiply
    284,861.81x = 393,208.16 × 164,051.19
  4. Step 4: Simplify right side
    284,861.81x = 64,506,265,745.45
  5. Step 5: Solve for x
    x = 64,506,265,745.45/284,861.81
  6. Step 6: Final answer
    x = 226,447.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.