Finding the Fourth Proportional to 346,100.70, 477,721.11 and 202,891.74
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Solution
The fourth proportional to 346,100.70, 477,721.11 and 202,891.74 is: 280,050.48
Step by Step Solution
- Step 1: Write the proportion equation
346,100.70 : 477,721.11 = 202,891.74 : x - Step 2: Convert to fraction form
346,100.70/477,721.11 = 202,891.74/x - Step 3: Cross multiply
346,100.70x = 477,721.11 × 202,891.74 - Step 4: Simplify right side
346,100.70x = 96,925,667,242.63 - Step 5: Solve for x
x = 96,925,667,242.63/346,100.70 - Step 6: Final answer
x = 280,050.48
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1.5x scale
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.