Finding the Fourth Proportional to 342,901.48, 473,163.60 and 197,705.66
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Solution
The fourth proportional to 342,901.48, 473,163.60 and 197,705.66 is: 272,810.49
Step by Step Solution
- Step 1: Write the proportion equation
342,901.48 : 473,163.60 = 197,705.66 : x - Step 2: Convert to fraction form
342,901.48/473,163.60 = 197,705.66/x - Step 3: Cross multiply
342,901.48x = 473,163.60 × 197,705.66 - Step 4: Simplify right side
342,901.48x = 93,547,121,825.98 - Step 5: Solve for x
x = 93,547,121,825.98/342,901.48 - Step 6: Final answer
x = 272,810.49
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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.