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Finding the Fourth Proportional to 199,590.30, 299,385.45 and 88,782.30

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Solution

The fourth proportional to 199,590.30, 299,385.45 and 88,782.30 is: 133,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590.30 : 299,385.45 = 88,782.30 : x
  2. Step 2: Convert to fraction form
    199,590.30/299,385.45 = 88,782.30/x
  3. Step 3: Cross multiply
    199,590.30x = 299,385.45 × 88,782.30
  4. Step 4: Simplify right side
    199,590.30x = 26,580,128,837.54
  5. Step 5: Solve for x
    x = 26,580,128,837.54/199,590.30
  6. Step 6: Final answer
    x = 133,173.45

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1.5x scale

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.