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Finding the Fourth Proportional to 340,295.44, 510,404.28 and 90,996.88

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Solution

The fourth proportional to 340,295.44, 510,404.28 and 90,996.88 is: 136,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,295.44 : 510,404.28 = 90,996.88 : x
  2. Step 2: Convert to fraction form
    340,295.44/510,404.28 = 90,996.88/x
  3. Step 3: Cross multiply
    340,295.44x = 510,404.28 × 90,996.88
  4. Step 4: Simplify right side
    340,295.44x = 46,445,197,018.65
  5. Step 5: Solve for x
    x = 46,445,197,018.65/340,295.44
  6. Step 6: Final answer
    x = 136,484.92

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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.