Home / 427,820.10-590,387.85-236,841.54

Finding the Fourth Proportional to 427,820.10, 590,387.85 and 236,841.54

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Solution

The fourth proportional to 427,820.10, 590,387.85 and 236,841.54 is: 326,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,820.10 : 590,387.85 = 236,841.54 : x
  2. Step 2: Convert to fraction form
    427,820.10/590,387.85 = 236,841.54/x
  3. Step 3: Cross multiply
    427,820.10x = 590,387.85 × 236,841.54
  4. Step 4: Simplify right side
    427,820.10x = 139,828,367,591.29
  5. Step 5: Solve for x
    x = 139,828,367,591.29/427,820.10
  6. Step 6: Final answer
    x = 326,839.17

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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.