Finding the Fourth Proportional to 352,545.40, 528,818.10 and 115,895.80
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Solution
The fourth proportional to 352,545.40, 528,818.10 and 115,895.80 is: 173,843.70
Step by Step Solution
- Step 1: Write the proportion equation
352,545.40 : 528,818.10 = 115,895.80 : x - Step 2: Convert to fraction form
352,545.40/528,818.10 = 115,895.80/x - Step 3: Cross multiply
352,545.40x = 528,818.10 × 115,895.80 - Step 4: Simplify right side
352,545.40x = 61,287,796,753.98 - Step 5: Solve for x
x = 61,287,796,753.98/352,545.40 - Step 6: Final answer
x = 173,843.70
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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.