Finding the Fourth Proportional to 396,237.94, 594,398.45 and 171,621.09
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Solution
The fourth proportional to 396,237.94, 594,398.45 and 171,621.09 is: 257,449.63
Step by Step Solution
- Step 1: Write the proportion equation
396,237.94 : 594,398.45 = 171,621.09 : x - Step 2: Convert to fraction form
396,237.94/594,398.45 = 171,621.09/x - Step 3: Cross multiply
396,237.94x = 594,398.45 × 171,621.09 - Step 4: Simplify right side
396,237.94x = 102,011,310,312.36 - Step 5: Solve for x
x = 102,011,310,312.36/396,237.94 - Step 6: Final answer
x = 257,449.63
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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.