Home / 284,218.09-426,327.15-84,541.34

Finding the Fourth Proportional to 284,218.09, 426,327.15 and 84,541.34

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Solution

The fourth proportional to 284,218.09, 426,327.15 and 84,541.34 is: 126,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,218.09 : 426,327.15 = 84,541.34 : x
  2. Step 2: Convert to fraction form
    284,218.09/426,327.15 = 84,541.34/x
  3. Step 3: Cross multiply
    284,218.09x = 426,327.15 × 84,541.34
  4. Step 4: Simplify right side
    284,218.09x = 36,042,268,539.38
  5. Step 5: Solve for x
    x = 36,042,268,539.38/284,218.09
  6. Step 6: Final answer
    x = 126,812.01

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1.5x scale

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.