Home / 205,953.28-284,068.96-189,012.20

Finding the Fourth Proportional to 205,953.28, 284,068.96 and 189,012.20

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Solution

The fourth proportional to 205,953.28, 284,068.96 and 189,012.20 is: 260,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,953.28 : 284,068.96 = 189,012.20 : x
  2. Step 2: Convert to fraction form
    205,953.28/284,068.96 = 189,012.20/x
  3. Step 3: Cross multiply
    205,953.28x = 284,068.96 × 189,012.20
  4. Step 4: Simplify right side
    205,953.28x = 53,692,497,188.44
  5. Step 5: Solve for x
    x = 53,692,497,188.44/205,953.28
  6. Step 6: Final answer
    x = 260,702.32

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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.