Finding the Fourth Proportional to 523,153.68, 722,171.46 and 353,617.44
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Solution
The fourth proportional to 523,153.68, 722,171.46 and 353,617.44 is: 488,140.35
Step by Step Solution
- Step 1: Write the proportion equation
523,153.68 : 722,171.46 = 353,617.44 : x - Step 2: Convert to fraction form
523,153.68/722,171.46 = 353,617.44/x - Step 3: Cross multiply
523,153.68x = 722,171.46 × 353,617.44 - Step 4: Simplify right side
523,153.68x = 255,372,422,926.26 - Step 5: Solve for x
x = 255,372,422,926.26/523,153.68 - Step 6: Final answer
x = 488,140.35
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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.