Finding the Fourth Proportional to 498,383.59, 687,769.35 and 272,029.09
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Solution
The fourth proportional to 498,383.59, 687,769.35 and 272,029.09 is: 375,400.14
Step by Step Solution
- Step 1: Write the proportion equation
498,383.59 : 687,769.35 = 272,029.09 : x - Step 2: Convert to fraction form
498,383.59/687,769.35 = 272,029.09/x - Step 3: Cross multiply
498,383.59x = 687,769.35 × 272,029.09 - Step 4: Simplify right side
498,383.59x = 187,093,270,410.39 - Step 5: Solve for x
x = 187,093,270,410.39/498,383.59 - Step 6: Final answer
x = 375,400.14
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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.