Home / 285,738.10-428,577.06-117,276.22

Finding the Fourth Proportional to 285,738.10, 428,577.06 and 117,276.22

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Solution

The fourth proportional to 285,738.10, 428,577.06 and 117,276.22 is: 175,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,738.10 : 428,577.06 = 117,276.22 : x
  2. Step 2: Convert to fraction form
    285,738.10/428,577.06 = 117,276.22/x
  3. Step 3: Cross multiply
    285,738.10x = 428,577.06 × 117,276.22
  4. Step 4: Simplify right side
    285,738.10x = 50,261,897,575.51
  5. Step 5: Solve for x
    x = 50,261,897,575.51/285,738.10
  6. Step 6: Final answer
    x = 175,901.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.