Finding the Fourth Proportional to 647,531.98, 971,064.69 and 273,584.14
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Solution
The fourth proportional to 647,531.98, 971,064.69 and 273,584.14 is: 410,277.65
Step by Step Solution
- Step 1: Write the proportion equation
647,531.98 : 971,064.69 = 273,584.14 : x - Step 2: Convert to fraction form
647,531.98/971,064.69 = 273,584.14/x - Step 3: Cross multiply
647,531.98x = 971,064.69 × 273,584.14 - Step 4: Simplify right side
647,531.98x = 265,667,898,098.02 - Step 5: Solve for x
x = 265,667,898,098.02/647,531.98 - Step 6: Final answer
x = 410,277.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.