Finding the Fourth Proportional to 374,738.08, 517,352.52 and 247,781.92
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Solution
The fourth proportional to 374,738.08, 517,352.52 and 247,781.92 is: 342,080.53
Step by Step Solution
- Step 1: Write the proportion equation
374,738.08 : 517,352.52 = 247,781.92 : x - Step 2: Convert to fraction form
374,738.08/517,352.52 = 247,781.92/x - Step 3: Cross multiply
374,738.08x = 517,352.52 × 247,781.92 - Step 4: Simplify right side
374,738.08x = 128,190,600,722.44 - Step 5: Solve for x
x = 128,190,600,722.44/374,738.08 - Step 6: Final answer
x = 342,080.53
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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.