Finding the Fourth Proportional to 353,625.48, 488,013.69 and 217,737.84
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Solution
The fourth proportional to 353,625.48, 488,013.69 and 217,737.84 is: 300,484.70
Step by Step Solution
- Step 1: Write the proportion equation
353,625.48 : 488,013.69 = 217,737.84 : x - Step 2: Convert to fraction form
353,625.48/488,013.69 = 217,737.84/x - Step 3: Cross multiply
353,625.48x = 488,013.69 × 217,737.84 - Step 4: Simplify right side
353,625.48x = 106,259,046,751.03 - Step 5: Solve for x
x = 106,259,046,751.03/353,625.48 - Step 6: Final answer
x = 300,484.70
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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.