Home / 387,162.20-534,266.48-215,092.22

Finding the Fourth Proportional to 387,162.20, 534,266.48 and 215,092.22

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Solution

The fourth proportional to 387,162.20, 534,266.48 and 215,092.22 is: 296,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,162.20 : 534,266.48 = 215,092.22 : x
  2. Step 2: Convert to fraction form
    387,162.20/534,266.48 = 215,092.22/x
  3. Step 3: Cross multiply
    387,162.20x = 534,266.48 × 215,092.22
  4. Step 4: Simplify right side
    387,162.20x = 114,916,563,254.79
  5. Step 5: Solve for x
    x = 114,916,563,254.79/387,162.20
  6. Step 6: Final answer
    x = 296,817.62

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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.