Finding the Fourth Proportional to 151,812.11, 209,562.50 and 98,101.55
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Solution
The fourth proportional to 151,812.11, 209,562.50 and 98,101.55 is: 135,420.07
Step by Step Solution
- Step 1: Write the proportion equation
151,812.11 : 209,562.50 = 98,101.55 : x - Step 2: Convert to fraction form
151,812.11/209,562.50 = 98,101.55/x - Step 3: Cross multiply
151,812.11x = 209,562.50 × 98,101.55 - Step 4: Simplify right side
151,812.11x = 20,558,406,841.04 - Step 5: Solve for x
x = 20,558,406,841.04/151,812.11 - Step 6: Final answer
x = 135,420.07
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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.