Finding the Fourth Proportional to 304,940.68, 420,811.84 and 168,973.43
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Solution
The fourth proportional to 304,940.68, 420,811.84 and 168,973.43 is: 233,179.84
Step by Step Solution
- Step 1: Write the proportion equation
304,940.68 : 420,811.84 = 168,973.43 : x - Step 2: Convert to fraction form
304,940.68/420,811.84 = 168,973.43/x - Step 3: Cross multiply
304,940.68x = 420,811.84 × 168,973.43 - Step 4: Simplify right side
304,940.68x = 71,106,019,989.41 - Step 5: Solve for x
x = 71,106,019,989.41/304,940.68 - Step 6: Final answer
x = 233,179.84
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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.