Finding the Fourth Proportional to 374,902.75, 517,365.80 and 205,136.88
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Solution
The fourth proportional to 374,902.75, 517,365.80 and 205,136.88 is: 283,088.90
Step by Step Solution
- Step 1: Write the proportion equation
374,902.75 : 517,365.80 = 205,136.88 : x - Step 2: Convert to fraction form
374,902.75/517,365.80 = 205,136.88/x - Step 3: Cross multiply
374,902.75x = 517,365.80 × 205,136.88 - Step 4: Simplify right side
374,902.75x = 106,130,806,030.70 - Step 5: Solve for x
x = 106,130,806,030.70/374,902.75 - Step 6: Final answer
x = 283,088.90
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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.