Finding the Fourth Proportional to 540,129.09, 810,292.05 and 185,178.99
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Solution
The fourth proportional to 540,129.09, 810,292.05 and 185,178.99 is: 277,802.23
Step by Step Solution
- Step 1: Write the proportion equation
540,129.09 : 810,292.05 = 185,178.99 : x - Step 2: Convert to fraction form
540,129.09/810,292.05 = 185,178.99/x - Step 3: Cross multiply
540,129.09x = 810,292.05 × 185,178.99 - Step 4: Simplify right side
540,129.09x = 150,049,063,424.03 - Step 5: Solve for x
x = 150,049,063,424.03/540,129.09 - Step 6: Final answer
x = 277,802.23
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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.