Home / 387,020.02-534,088.94-214,938.43

Finding the Fourth Proportional to 387,020.02, 534,088.94 and 214,938.43

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Solution

The fourth proportional to 387,020.02, 534,088.94 and 214,938.43 is: 296,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,020.02 : 534,088.94 = 214,938.43 : x
  2. Step 2: Convert to fraction form
    387,020.02/534,088.94 = 214,938.43/x
  3. Step 3: Cross multiply
    387,020.02x = 534,088.94 × 214,938.43
  4. Step 4: Simplify right side
    387,020.02x = 114,796,238,243.96
  5. Step 5: Solve for x
    x = 114,796,238,243.96/387,020.02
  6. Step 6: Final answer
    x = 296,615.76

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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.