Finding the Fourth Proportional to 183,690.02, 253,503.56 and 122,330.99
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Solution
The fourth proportional to 183,690.02, 253,503.56 and 122,330.99 is: 168,824.31
Step by Step Solution
- Step 1: Write the proportion equation
183,690.02 : 253,503.56 = 122,330.99 : x - Step 2: Convert to fraction form
183,690.02/253,503.56 = 122,330.99/x - Step 3: Cross multiply
183,690.02x = 253,503.56 × 122,330.99 - Step 4: Simplify right side
183,690.02x = 31,011,341,463.32 - Step 5: Solve for x
x = 31,011,341,463.32/183,690.02 - Step 6: Final answer
x = 168,824.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.