Home / 285,736.10-428,574.06-117,274.22

Finding the Fourth Proportional to 285,736.10, 428,574.06 and 117,274.22

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Solution

The fourth proportional to 285,736.10, 428,574.06 and 117,274.22 is: 175,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,736.10 : 428,574.06 = 117,274.22 : x
  2. Step 2: Convert to fraction form
    285,736.10/428,574.06 = 117,274.22/x
  3. Step 3: Cross multiply
    285,736.10x = 428,574.06 × 117,274.22
  4. Step 4: Simplify right side
    285,736.10x = 50,260,686,455.86
  5. Step 5: Solve for x
    x = 50,260,686,455.86/285,736.10
  6. Step 6: Final answer
    x = 175,898.98

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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.