Finding the Fourth Proportional to 374,772.48, 517,186.02 and 202,690.44
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Solution
The fourth proportional to 374,772.48, 517,186.02 and 202,690.44 is: 279,712.81
Step by Step Solution
- Step 1: Write the proportion equation
374,772.48 : 517,186.02 = 202,690.44 : x - Step 2: Convert to fraction form
374,772.48/517,186.02 = 202,690.44/x - Step 3: Cross multiply
374,772.48x = 517,186.02 × 202,690.44 - Step 4: Simplify right side
374,772.48x = 104,828,663,248.61 - Step 5: Solve for x
x = 104,828,663,248.61/374,772.48 - Step 6: Final answer
x = 279,712.81
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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.