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Finding the Fourth Proportional to 340,298.73, 510,448.10 and 90,974.25

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Solution

The fourth proportional to 340,298.73, 510,448.10 and 90,974.25 is: 136,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,298.73 : 510,448.10 = 90,974.25 : x
  2. Step 2: Convert to fraction form
    340,298.73/510,448.10 = 90,974.25/x
  3. Step 3: Cross multiply
    340,298.73x = 510,448.10 × 90,974.25
  4. Step 4: Simplify right side
    340,298.73x = 46,437,632,606.55
  5. Step 5: Solve for x
    x = 46,437,632,606.55/340,298.73
  6. Step 6: Final answer
    x = 136,461.38

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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.