Finding the Fourth Proportional to 144,252.48, 216,294.56 and 69,338.96
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Solution
The fourth proportional to 144,252.48, 216,294.56 and 69,338.96 is: 103,967.99
Step by Step Solution
- Step 1: Write the proportion equation
144,252.48 : 216,294.56 = 69,338.96 : x - Step 2: Convert to fraction form
144,252.48/216,294.56 = 69,338.96/x - Step 3: Cross multiply
144,252.48x = 216,294.56 × 69,338.96 - Step 4: Simplify right side
144,252.48x = 14,997,639,844.06 - Step 5: Solve for x
x = 14,997,639,844.06/144,252.48 - Step 6: Final answer
x = 103,967.99
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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.