Finding the Fourth Proportional to 89,428.44, 134,038.98 and 84,244.44
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Solution
The fourth proportional to 89,428.44, 134,038.98 and 84,244.44 is: 126,268.99
Step by Step Solution
- Step 1: Write the proportion equation
89,428.44 : 134,038.98 = 84,244.44 : x - Step 2: Convert to fraction form
89,428.44/134,038.98 = 84,244.44/x - Step 3: Cross multiply
89,428.44x = 134,038.98 × 84,244.44 - Step 4: Simplify right side
89,428.44x = 11,292,038,808.27 - Step 5: Solve for x
x = 11,292,038,808.27/89,428.44 - Step 6: Final answer
x = 126,268.99
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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.