Finding the Fourth Proportional to 187,862.99, 259,268.87 and 107,302.55
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Solution
The fourth proportional to 187,862.99, 259,268.87 and 107,302.55 is: 148,087.77
Step by Step Solution
- Step 1: Write the proportion equation
187,862.99 : 259,268.87 = 107,302.55 : x - Step 2: Convert to fraction form
187,862.99/259,268.87 = 107,302.55/x - Step 3: Cross multiply
187,862.99x = 259,268.87 × 107,302.55 - Step 4: Simplify right side
187,862.99x = 27,820,210,350.11 - Step 5: Solve for x
x = 27,820,210,350.11/187,862.99 - Step 6: Final answer
x = 148,087.77
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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.