Home / 284,210.12-426,064.35-115,871.26

Finding the Fourth Proportional to 284,210.12, 426,064.35 and 115,871.26

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Solution

The fourth proportional to 284,210.12, 426,064.35 and 115,871.26 is: 173,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,210.12 : 426,064.35 = 115,871.26 : x
  2. Step 2: Convert to fraction form
    284,210.12/426,064.35 = 115,871.26/x
  3. Step 3: Cross multiply
    284,210.12x = 426,064.35 × 115,871.26
  4. Step 4: Simplify right side
    284,210.12x = 49,368,613,243.81
  5. Step 5: Solve for x
    x = 49,368,613,243.81/284,210.12
  6. Step 6: Final answer
    x = 173,704.63

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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.