Finding the Fourth Proportional to 482,702.42, 724,170.68 and 145,722.95
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Solution
The fourth proportional to 482,702.42, 724,170.68 and 145,722.95 is: 218,619.75
Step by Step Solution
- Step 1: Write the proportion equation
482,702.42 : 724,170.68 = 145,722.95 : x - Step 2: Convert to fraction form
482,702.42/724,170.68 = 145,722.95/x - Step 3: Cross multiply
482,702.42x = 724,170.68 × 145,722.95 - Step 4: Simplify right side
482,702.42x = 105,528,283,443.64 - Step 5: Solve for x
x = 105,528,283,443.64/482,702.42 - Step 6: Final answer
x = 218,619.75
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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.