Home / 387,569.29-534,817.83-213,151.77

Finding the Fourth Proportional to 387,569.29, 534,817.83 and 213,151.77

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Solution

The fourth proportional to 387,569.29, 534,817.83 and 213,151.77 is: 294,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,569.29 : 534,817.83 = 213,151.77 : x
  2. Step 2: Convert to fraction form
    387,569.29/534,817.83 = 213,151.77/x
  3. Step 3: Cross multiply
    387,569.29x = 534,817.83 × 213,151.77
  4. Step 4: Simplify right side
    387,569.29x = 113,997,367,092.06
  5. Step 5: Solve for x
    x = 113,997,367,092.06/387,569.29
  6. Step 6: Final answer
    x = 294,134.16

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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.