Finding the Fourth Proportional to 467,641.42, 645,344.86 and 252,781.48
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Solution
The fourth proportional to 467,641.42, 645,344.86 and 252,781.48 is: 348,838.28
Step by Step Solution
- Step 1: Write the proportion equation
467,641.42 : 645,344.86 = 252,781.48 : x - Step 2: Convert to fraction form
467,641.42/645,344.86 = 252,781.48/x - Step 3: Cross multiply
467,641.42x = 645,344.86 × 252,781.48 - Step 4: Simplify right side
467,641.42x = 163,131,228,821.19 - Step 5: Solve for x
x = 163,131,228,821.19/467,641.42 - Step 6: Final answer
x = 348,838.28
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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.