Finding the Fourth Proportional to 212,545.50, 293,312.79 and 117,051.99
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Solution
The fourth proportional to 212,545.50, 293,312.79 and 117,051.99 is: 161,531.75
Step by Step Solution
- Step 1: Write the proportion equation
212,545.50 : 293,312.79 = 117,051.99 : x - Step 2: Convert to fraction form
212,545.50/293,312.79 = 117,051.99/x - Step 3: Cross multiply
212,545.50x = 293,312.79 × 117,051.99 - Step 4: Simplify right side
212,545.50x = 34,332,845,761.95 - Step 5: Solve for x
x = 34,332,845,761.95/212,545.50 - Step 6: Final answer
x = 161,531.75
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1.5x scale
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.