Home / 427,250-589,595.28-236,264.96

Finding the Fourth Proportional to 427,250, 589,595.28 and 236,264.96

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Solution

The fourth proportional to 427,250, 589,595.28 and 236,264.96 is: 326,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,250 : 589,595.28 = 236,264.96 : x
  2. Step 2: Convert to fraction form
    427,250/589,595.28 = 236,264.96/x
  3. Step 3: Cross multiply
    427,250x = 589,595.28 × 236,264.96
  4. Step 4: Simplify right side
    427,250x = 139,300,705,245.39
  5. Step 5: Solve for x
    x = 139,300,705,245.39/427,250
  6. Step 6: Final answer
    x = 326,040.27

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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.