Finding the Fourth Proportional to 344,122.42, 474,964.84 and 191,213.15
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Solution
The fourth proportional to 344,122.42, 474,964.84 and 191,213.15 is: 263,916.32
Step by Step Solution
- Step 1: Write the proportion equation
344,122.42 : 474,964.84 = 191,213.15 : x - Step 2: Convert to fraction form
344,122.42/474,964.84 = 191,213.15/x - Step 3: Cross multiply
344,122.42x = 474,964.84 × 191,213.15 - Step 4: Simplify right side
344,122.42x = 90,819,520,342.79 - Step 5: Solve for x
x = 90,819,520,342.79/344,122.42 - Step 6: Final answer
x = 263,916.32
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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.