Finding the Fourth Proportional to 659,166.49, 909,612.92 and 368,721.99
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Solution
The fourth proportional to 659,166.49, 909,612.92 and 368,721.99 is: 508,815.74
Step by Step Solution
- Step 1: Write the proportion equation
659,166.49 : 909,612.92 = 368,721.99 : x - Step 2: Convert to fraction form
659,166.49/909,612.92 = 368,721.99/x - Step 3: Cross multiply
659,166.49x = 909,612.92 × 368,721.99 - Step 4: Simplify right side
659,166.49x = 335,394,286,913.92 - Step 5: Solve for x
x = 335,394,286,913.92/659,166.49 - Step 6: Final answer
x = 508,815.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.