Finding the Fourth Proportional to 261,711.79, 361,133.58 and 146,967.19
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Solution
The fourth proportional to 261,711.79, 361,133.58 and 146,967.19 is: 202,798.61
Step by Step Solution
- Step 1: Write the proportion equation
261,711.79 : 361,133.58 = 146,967.19 : x - Step 2: Convert to fraction form
261,711.79/361,133.58 = 146,967.19/x - Step 3: Cross multiply
261,711.79x = 361,133.58 × 146,967.19 - Step 4: Simplify right side
261,711.79x = 53,074,787,467.24 - Step 5: Solve for x
x = 53,074,787,467.24/261,711.79 - Step 6: Final answer
x = 202,798.61
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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.