Finding the Fourth Proportional to 128,543.04, 192,795.36 and 44,316.48
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Solution
The fourth proportional to 128,543.04, 192,795.36 and 44,316.48 is: 66,468.10
Step by Step Solution
- Step 1: Write the proportion equation
128,543.04 : 192,795.36 = 44,316.48 : x - Step 2: Convert to fraction form
128,543.04/192,795.36 = 44,316.48/x - Step 3: Cross multiply
128,543.04x = 192,795.36 × 44,316.48 - Step 4: Simplify right side
128,543.04x = 8,544,011,715.53 - Step 5: Solve for x
x = 8,544,011,715.53/128,543.04 - Step 6: Final answer
x = 66,468.10
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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.