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Finding the Fourth Proportional to 442,048.98, 610,042.55 and 248,490.37

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Solution

The fourth proportional to 442,048.98, 610,042.55 and 248,490.37 is: 342,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,048.98 : 610,042.55 = 248,490.37 : x
  2. Step 2: Convert to fraction form
    442,048.98/610,042.55 = 248,490.37/x
  3. Step 3: Cross multiply
    442,048.98x = 610,042.55 × 248,490.37
  4. Step 4: Simplify right side
    442,048.98x = 151,589,698,965.24
  5. Step 5: Solve for x
    x = 151,589,698,965.24/442,048.98
  6. Step 6: Final answer
    x = 342,925.12

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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.