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Finding the Fourth Proportional to 199,590.90, 299,386.35 and 181,220.10

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Solution

The fourth proportional to 199,590.90, 299,386.35 and 181,220.10 is: 271,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590.90 : 299,386.35 = 181,220.10 : x
  2. Step 2: Convert to fraction form
    199,590.90/299,386.35 = 181,220.10/x
  3. Step 3: Cross multiply
    199,590.90x = 299,386.35 × 181,220.10
  4. Step 4: Simplify right side
    199,590.90x = 54,254,824,285.64
  5. Step 5: Solve for x
    x = 54,254,824,285.64/199,590.90
  6. Step 6: Final answer
    x = 271,830.15

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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.