Finding the Fourth Proportional to 353,316.21, 487,552.38 and 192,167.81
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Solution
The fourth proportional to 353,316.21, 487,552.38 and 192,167.81 is: 265,178.52
Step by Step Solution
- Step 1: Write the proportion equation
353,316.21 : 487,552.38 = 192,167.81 : x - Step 2: Convert to fraction form
353,316.21/487,552.38 = 192,167.81/x - Step 3: Cross multiply
353,316.21x = 487,552.38 × 192,167.81 - Step 4: Simplify right side
353,316.21x = 93,691,870,687.13 - Step 5: Solve for x
x = 93,691,870,687.13/353,316.21 - Step 6: Final answer
x = 265,178.52
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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.