Finding the Fourth Proportional to 438,069.24, 657,141.12 and 122,526.36
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Solution
The fourth proportional to 438,069.24, 657,141.12 and 122,526.36 is: 183,799.96
Step by Step Solution
- Step 1: Write the proportion equation
438,069.24 : 657,141.12 = 122,526.36 : x - Step 2: Convert to fraction form
438,069.24/657,141.12 = 122,526.36/x - Step 3: Cross multiply
438,069.24x = 657,141.12 × 122,526.36 - Step 4: Simplify right side
438,069.24x = 80,517,109,439.92 - Step 5: Solve for x
x = 80,517,109,439.92/438,069.24 - Step 6: Final answer
x = 183,799.96
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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.