Finding the Fourth Proportional to 144,356.02, 216,534.14 and 39,174.99
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Solution
The fourth proportional to 144,356.02, 216,534.14 and 39,174.99 is: 58,762.52
Step by Step Solution
- Step 1: Write the proportion equation
144,356.02 : 216,534.14 = 39,174.99 : x - Step 2: Convert to fraction form
144,356.02/216,534.14 = 39,174.99/x - Step 3: Cross multiply
144,356.02x = 216,534.14 × 39,174.99 - Step 4: Simplify right side
144,356.02x = 8,482,723,346.55 - Step 5: Solve for x
x = 8,482,723,346.55/144,356.02 - Step 6: Final answer
x = 58,762.52
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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.