Finding the Fourth Proportional to 391,133.92, 586,606.80 and 180,569.68
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Solution
The fourth proportional to 391,133.92, 586,606.80 and 180,569.68 is: 270,811.09
Step by Step Solution
- Step 1: Write the proportion equation
391,133.92 : 586,606.80 = 180,569.68 : x - Step 2: Convert to fraction form
391,133.92/586,606.80 = 180,569.68/x - Step 3: Cross multiply
391,133.92x = 586,606.80 × 180,569.68 - Step 4: Simplify right side
391,133.92x = 105,923,402,161.82 - Step 5: Solve for x
x = 105,923,402,161.82/391,133.92 - Step 6: Final answer
x = 270,811.09
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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.