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Finding the Fourth Proportional to 442,187.69, 610,240.63 and 248,656.30

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Solution

The fourth proportional to 442,187.69, 610,240.63 and 248,656.30 is: 343,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,187.69 : 610,240.63 = 248,656.30 : x
  2. Step 2: Convert to fraction form
    442,187.69/610,240.63 = 248,656.30/x
  3. Step 3: Cross multiply
    442,187.69x = 610,240.63 × 248,656.30
  4. Step 4: Simplify right side
    442,187.69x = 151,740,177,383.61
  5. Step 5: Solve for x
    x = 151,740,177,383.61/442,187.69
  6. Step 6: Final answer
    x = 343,157.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.