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Finding the Fourth Proportional to 442,104.70, 610,169.09 and 248,528.35

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Solution

The fourth proportional to 442,104.70, 610,169.09 and 248,528.35 is: 343,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,104.70 : 610,169.09 = 248,528.35 : x
  2. Step 2: Convert to fraction form
    442,104.70/610,169.09 = 248,528.35/x
  3. Step 3: Cross multiply
    442,104.70x = 610,169.09 × 248,528.35
  4. Step 4: Simplify right side
    442,104.70x = 151,644,316,678.77
  5. Step 5: Solve for x
    x = 151,644,316,678.77/442,104.70
  6. Step 6: Final answer
    x = 343,005.44

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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.