Finding the Fourth Proportional to 373,152.17, 514,914.41 and 218,139.70
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Solution
The fourth proportional to 373,152.17, 514,914.41 and 218,139.70 is: 301,011.98
Step by Step Solution
- Step 1: Write the proportion equation
373,152.17 : 514,914.41 = 218,139.70 : x - Step 2: Convert to fraction form
373,152.17/514,914.41 = 218,139.70/x - Step 3: Cross multiply
373,152.17x = 514,914.41 × 218,139.70 - Step 4: Simplify right side
373,152.17x = 112,323,274,923.08 - Step 5: Solve for x
x = 112,323,274,923.08/373,152.17 - Step 6: Final answer
x = 301,011.98
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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.