Finding the Fourth Proportional to 154,309.05, 231,561.99 and 65,562.59
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Solution
The fourth proportional to 154,309.05, 231,561.99 and 65,562.59 is: 98,385.69
Step by Step Solution
- Step 1: Write the proportion equation
154,309.05 : 231,561.99 = 65,562.59 : x - Step 2: Convert to fraction form
154,309.05/231,561.99 = 65,562.59/x - Step 3: Cross multiply
154,309.05x = 231,561.99 × 65,562.59 - Step 4: Simplify right side
154,309.05x = 15,181,802,652.14 - Step 5: Solve for x
x = 15,181,802,652.14/154,309.05 - Step 6: Final answer
x = 98,385.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.