Finding the Fourth Proportional to 542,570.05, 813,957.14 and 218,382.94
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Solution
The fourth proportional to 542,570.05, 813,957.14 and 218,382.94 is: 327,615.49
Step by Step Solution
- Step 1: Write the proportion equation
542,570.05 : 813,957.14 = 218,382.94 : x - Step 2: Convert to fraction form
542,570.05/813,957.14 = 218,382.94/x - Step 3: Cross multiply
542,570.05x = 813,957.14 × 218,382.94 - Step 4: Simplify right side
542,570.05x = 177,754,353,267.19 - Step 5: Solve for x
x = 177,754,353,267.19/542,570.05 - Step 6: Final answer
x = 327,615.49
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1.5x scale
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.