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Finding the Fourth Proportional to 341,601.34, 512,408.09 and 104,946.07

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Solution

The fourth proportional to 341,601.34, 512,408.09 and 104,946.07 is: 157,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,601.34 : 512,408.09 = 104,946.07 : x
  2. Step 2: Convert to fraction form
    341,601.34/512,408.09 = 104,946.07/x
  3. Step 3: Cross multiply
    341,601.34x = 512,408.09 × 104,946.07
  4. Step 4: Simplify right side
    341,601.34x = 53,775,215,281.71
  5. Step 5: Solve for x
    x = 53,775,215,281.71/341,601.34
  6. Step 6: Final answer
    x = 157,420.97

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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.