Finding the Fourth Proportional to 344,406.48, 515,098.92 and 306,721.68
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Solution
The fourth proportional to 344,406.48, 515,098.92 and 306,721.68 is: 458,737.03
Step by Step Solution
- Step 1: Write the proportion equation
344,406.48 : 515,098.92 = 306,721.68 : x - Step 2: Convert to fraction form
344,406.48/515,098.92 = 306,721.68/x - Step 3: Cross multiply
344,406.48x = 515,098.92 × 306,721.68 - Step 4: Simplify right side
344,406.48x = 157,992,006,108.59 - Step 5: Solve for x
x = 157,992,006,108.59/344,406.48 - Step 6: Final answer
x = 458,737.03
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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.