Finding the Fourth Proportional to 144,174.24, 216,307.62 and 69,299.80
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Solution
The fourth proportional to 144,174.24, 216,307.62 and 69,299.80 is: 103,971.94
Step by Step Solution
- Step 1: Write the proportion equation
144,174.24 : 216,307.62 = 69,299.80 : x - Step 2: Convert to fraction form
144,174.24/216,307.62 = 69,299.80/x - Step 3: Cross multiply
144,174.24x = 216,307.62 × 69,299.80 - Step 4: Simplify right side
144,174.24x = 14,990,074,804.48 - Step 5: Solve for x
x = 14,990,074,804.48/144,174.24 - Step 6: Final answer
x = 103,971.94
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1.5x scale
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.