Finding the Fourth Proportional to 208,199.84, 312,302.30 and 73,267.92
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Solution
The fourth proportional to 208,199.84, 312,302.30 and 73,267.92 is: 109,902.77
Step by Step Solution
- Step 1: Write the proportion equation
208,199.84 : 312,302.30 = 73,267.92 : x - Step 2: Convert to fraction form
208,199.84/312,302.30 = 73,267.92/x - Step 3: Cross multiply
208,199.84x = 312,302.30 × 73,267.92 - Step 4: Simplify right side
208,199.84x = 22,881,739,932.22 - Step 5: Solve for x
x = 22,881,739,932.22/208,199.84 - Step 6: Final answer
x = 109,902.77
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1.5x scale
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.