Finding the Fourth Proportional to 517,235.16, 713,379.74 and 353,988.44
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Solution
The fourth proportional to 517,235.16, 713,379.74 and 353,988.44 is: 488,227.02
Step by Step Solution
- Step 1: Write the proportion equation
517,235.16 : 713,379.74 = 353,988.44 : x - Step 2: Convert to fraction form
517,235.16/713,379.74 = 353,988.44/x - Step 3: Cross multiply
517,235.16x = 713,379.74 × 353,988.44 - Step 4: Simplify right side
517,235.16x = 252,528,181,290.21 - Step 5: Solve for x
x = 252,528,181,290.21/517,235.16 - Step 6: Final answer
x = 488,227.02
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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.