Finding the Fourth Proportional to 396,677.29, 547,337.68 and 235,582.87
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Solution
The fourth proportional to 396,677.29, 547,337.68 and 235,582.87 is: 325,058.64
Step by Step Solution
- Step 1: Write the proportion equation
396,677.29 : 547,337.68 = 235,582.87 : x - Step 2: Convert to fraction form
396,677.29/547,337.68 = 235,582.87/x - Step 3: Cross multiply
396,677.29x = 547,337.68 × 235,582.87 - Step 4: Simplify right side
396,677.29x = 128,943,381,513.54 - Step 5: Solve for x
x = 128,943,381,513.54/396,677.29 - Step 6: Final answer
x = 325,058.64
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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.