Finding the Fourth Proportional to 521,861.18, 782,545.04 and 202,162.79
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Solution
The fourth proportional to 521,861.18, 782,545.04 and 202,162.79 is: 303,148.60
Step by Step Solution
- Step 1: Write the proportion equation
521,861.18 : 782,545.04 = 202,162.79 : x - Step 2: Convert to fraction form
521,861.18/782,545.04 = 202,162.79/x - Step 3: Cross multiply
521,861.18x = 782,545.04 × 202,162.79 - Step 4: Simplify right side
521,861.18x = 158,201,488,587.06 - Step 5: Solve for x
x = 158,201,488,587.06/521,861.18 - Step 6: Final answer
x = 303,148.60
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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.