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Finding the Fourth Proportional to 269,510.90, 404,266.35 and 190,714.10

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Solution

The fourth proportional to 269,510.90, 404,266.35 and 190,714.10 is: 286,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.90 : 404,266.35 = 190,714.10 : x
  2. Step 2: Convert to fraction form
    269,510.90/404,266.35 = 190,714.10/x
  3. Step 3: Cross multiply
    269,510.90x = 404,266.35 × 190,714.10
  4. Step 4: Simplify right side
    269,510.90x = 77,099,293,100.54
  5. Step 5: Solve for x
    x = 77,099,293,100.54/269,510.90
  6. Step 6: Final answer
    x = 286,071.15

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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.