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Finding the Fourth Proportional to 613,801, 920,635.82 and 164,566.92

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Solution

The fourth proportional to 613,801, 920,635.82 and 164,566.92 is: 246,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,801 : 920,635.82 = 164,566.92 : x
  2. Step 2: Convert to fraction form
    613,801/920,635.82 = 164,566.92/x
  3. Step 3: Cross multiply
    613,801x = 920,635.82 × 164,566.92
  4. Step 4: Simplify right side
    613,801x = 151,506,201,339.07
  5. Step 5: Solve for x
    x = 151,506,201,339.07/613,801
  6. Step 6: Final answer
    x = 246,832.77

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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.