Home / 387,029.98-534,099.27-217,264.06

Finding the Fourth Proportional to 387,029.98, 534,099.27 and 217,264.06

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Solution

The fourth proportional to 387,029.98, 534,099.27 and 217,264.06 is: 299,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,029.98 : 534,099.27 = 217,264.06 : x
  2. Step 2: Convert to fraction form
    387,029.98/534,099.27 = 217,264.06/x
  3. Step 3: Cross multiply
    387,029.98x = 534,099.27 × 217,264.06
  4. Step 4: Simplify right side
    387,029.98x = 116,040,575,843.24
  5. Step 5: Solve for x
    x = 116,040,575,843.24/387,029.98
  6. Step 6: Final answer
    x = 299,823.22

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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.