Finding the Fourth Proportional to 257,717.25, 355,805.33 and 168,448.77
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Solution
The fourth proportional to 257,717.25, 355,805.33 and 168,448.77 is: 232,560.95
Step by Step Solution
- Step 1: Write the proportion equation
257,717.25 : 355,805.33 = 168,448.77 : x - Step 2: Convert to fraction form
257,717.25/355,805.33 = 168,448.77/x - Step 3: Cross multiply
257,717.25x = 355,805.33 × 168,448.77 - Step 4: Simplify right side
257,717.25x = 59,934,969,355.70 - Step 5: Solve for x
x = 59,934,969,355.70/257,717.25 - Step 6: Final answer
x = 232,560.95
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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.