Home / 387,005.89-534,050.07-214,935.01

Finding the Fourth Proportional to 387,005.89, 534,050.07 and 214,935.01

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Solution

The fourth proportional to 387,005.89, 534,050.07 and 214,935.01 is: 296,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,005.89 : 534,050.07 = 214,935.01 : x
  2. Step 2: Convert to fraction form
    387,005.89/534,050.07 = 214,935.01/x
  3. Step 3: Cross multiply
    387,005.89x = 534,050.07 × 214,935.01
  4. Step 4: Simplify right side
    387,005.89x = 114,786,057,135.95
  5. Step 5: Solve for x
    x = 114,786,057,135.95/387,005.89
  6. Step 6: Final answer
    x = 296,600.28

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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.