Home / 284,516.12-426,769.32-84,837.08

Finding the Fourth Proportional to 284,516.12, 426,769.32 and 84,837.08

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Solution

The fourth proportional to 284,516.12, 426,769.32 and 84,837.08 is: 127,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,516.12 : 426,769.32 = 84,837.08 : x
  2. Step 2: Convert to fraction form
    284,516.12/426,769.32 = 84,837.08/x
  3. Step 3: Cross multiply
    284,516.12x = 426,769.32 × 84,837.08
  4. Step 4: Simplify right side
    284,516.12x = 36,205,862,942.39
  5. Step 5: Solve for x
    x = 36,205,862,942.39/284,516.12
  6. Step 6: Final answer
    x = 127,254.17

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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.