Home / 427,864.16-590,430.04-234,234.80

Finding the Fourth Proportional to 427,864.16, 590,430.04 and 234,234.80

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Solution

The fourth proportional to 427,864.16, 590,430.04 and 234,234.80 is: 323,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,864.16 : 590,430.04 = 234,234.80 : x
  2. Step 2: Convert to fraction form
    427,864.16/590,430.04 = 234,234.80/x
  3. Step 3: Cross multiply
    427,864.16x = 590,430.04 × 234,234.80
  4. Step 4: Simplify right side
    427,864.16x = 138,299,262,333.39
  5. Step 5: Solve for x
    x = 138,299,262,333.39/427,864.16
  6. Step 6: Final answer
    x = 323,231.71

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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.