Finding the Fourth Proportional to 415,708.84, 573,295.62 and 272,416.84
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Solution
The fourth proportional to 415,708.84, 573,295.62 and 272,416.84 is: 375,684.53
Step by Step Solution
- Step 1: Write the proportion equation
415,708.84 : 573,295.62 = 272,416.84 : x - Step 2: Convert to fraction form
415,708.84/573,295.62 = 272,416.84/x - Step 3: Cross multiply
415,708.84x = 573,295.62 × 272,416.84 - Step 4: Simplify right side
415,708.84x = 156,175,381,186.24 - Step 5: Solve for x
x = 156,175,381,186.24/415,708.84 - Step 6: Final answer
x = 375,684.53
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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.