Finding the Fourth Proportional to 372,736.80, 558,011.70 and 334,260.18
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Solution
The fourth proportional to 372,736.80, 558,011.70 and 334,260.18 is: 500,409.65
Step by Step Solution
- Step 1: Write the proportion equation
372,736.80 : 558,011.70 = 334,260.18 : x - Step 2: Convert to fraction form
372,736.80/558,011.70 = 334,260.18/x - Step 3: Cross multiply
372,736.80x = 558,011.70 × 334,260.18 - Step 4: Simplify right side
372,736.80x = 186,521,091,284.11 - Step 5: Solve for x
x = 186,521,091,284.11/372,736.80 - Step 6: Final answer
x = 500,409.65
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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.