Finding the Fourth Proportional to 177,316.20, 266,060.70 and 135,181.80
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Solution
The fourth proportional to 177,316.20, 266,060.70 and 135,181.80 is: 202,838.57
Step by Step Solution
- Step 1: Write the proportion equation
177,316.20 : 266,060.70 = 135,181.80 : x - Step 2: Convert to fraction form
177,316.20/266,060.70 = 135,181.80/x - Step 3: Cross multiply
177,316.20x = 266,060.70 × 135,181.80 - Step 4: Simplify right side
177,316.20x = 35,966,564,335.26 - Step 5: Solve for x
x = 35,966,564,335.26/177,316.20 - Step 6: Final answer
x = 202,838.57
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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.