Finding the Fourth Proportional to 374,892.53, 517,349.34 and 202,809.80
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Solution
The fourth proportional to 374,892.53, 517,349.34 and 202,809.80 is: 279,876.26
Step by Step Solution
- Step 1: Write the proportion equation
374,892.53 : 517,349.34 = 202,809.80 : x - Step 2: Convert to fraction form
374,892.53/517,349.34 = 202,809.80/x - Step 3: Cross multiply
374,892.53x = 517,349.34 × 202,809.80 - Step 4: Simplify right side
374,892.53x = 104,923,517,468.91 - Step 5: Solve for x
x = 104,923,517,468.91/374,892.53 - Step 6: Final answer
x = 279,876.26
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1.5x scale
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.