Finding the Fourth Proportional to 361,926.95, 499,459.77 and 200,781.99
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Solution
The fourth proportional to 361,926.95, 499,459.77 and 200,781.99 is: 277,079.47
Step by Step Solution
- Step 1: Write the proportion equation
361,926.95 : 499,459.77 = 200,781.99 : x - Step 2: Convert to fraction form
361,926.95/499,459.77 = 200,781.99/x - Step 3: Cross multiply
361,926.95x = 499,459.77 × 200,781.99 - Step 4: Simplify right side
361,926.95x = 100,282,526,545.54 - Step 5: Solve for x
x = 100,282,526,545.54/361,926.95 - Step 6: Final answer
x = 277,079.47
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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.