Home / 427,115.52-589,440-236,125.44

Finding the Fourth Proportional to 427,115.52, 589,440 and 236,125.44

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Solution

The fourth proportional to 427,115.52, 589,440 and 236,125.44 is: 325,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,115.52 : 589,440 = 236,125.44 : x
  2. Step 2: Convert to fraction form
    427,115.52/589,440 = 236,125.44/x
  3. Step 3: Cross multiply
    427,115.52x = 589,440 × 236,125.44
  4. Step 4: Simplify right side
    427,115.52x = 139,181,779,353.60
  5. Step 5: Solve for x
    x = 139,181,779,353.60/427,115.52
  6. Step 6: Final answer
    x = 325,864.49

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1.5x scale

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.