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Finding the Fourth Proportional to 442,471.69, 610,663.37 and 251,513.79

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Solution

The fourth proportional to 442,471.69, 610,663.37 and 251,513.79 is: 347,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,471.69 : 610,663.37 = 251,513.79 : x
  2. Step 2: Convert to fraction form
    442,471.69/610,663.37 = 251,513.79/x
  3. Step 3: Cross multiply
    442,471.69x = 610,663.37 × 251,513.79
  4. Step 4: Simplify right side
    442,471.69x = 153,590,258,602.87
  5. Step 5: Solve for x
    x = 153,590,258,602.87/442,471.69
  6. Step 6: Final answer
    x = 347,118.84

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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.