Finding the Fourth Proportional to 373,545.76, 515,472.24 and 212,378.08
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Solution
The fourth proportional to 373,545.76, 515,472.24 and 212,378.08 is: 293,069.86
Step by Step Solution
- Step 1: Write the proportion equation
373,545.76 : 515,472.24 = 212,378.08 : x - Step 2: Convert to fraction form
373,545.76/515,472.24 = 212,378.08/x - Step 3: Cross multiply
373,545.76x = 515,472.24 × 212,378.08 - Step 4: Simplify right side
373,545.76x = 109,475,004,624.50 - Step 5: Solve for x
x = 109,475,004,624.50/373,545.76 - Step 6: Final answer
x = 293,069.86
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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.