Finding the Fourth Proportional to 133,097.40, 199,646.10 and 88,579.80
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Solution
The fourth proportional to 133,097.40, 199,646.10 and 88,579.80 is: 132,869.70
Step by Step Solution
- Step 1: Write the proportion equation
133,097.40 : 199,646.10 = 88,579.80 : x - Step 2: Convert to fraction form
133,097.40/199,646.10 = 88,579.80/x - Step 3: Cross multiply
133,097.40x = 199,646.10 × 88,579.80 - Step 4: Simplify right side
133,097.40x = 17,684,611,608.78 - Step 5: Solve for x
x = 17,684,611,608.78/133,097.40 - Step 6: Final answer
x = 132,869.70
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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.