Finding the Fourth Proportional to 347,392.71, 520,727.79 and 134,306.98
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Solution
The fourth proportional to 347,392.71, 520,727.79 and 134,306.98 is: 201,320.80
Step by Step Solution
- Step 1: Write the proportion equation
347,392.71 : 520,727.79 = 134,306.98 : x - Step 2: Convert to fraction form
347,392.71/520,727.79 = 134,306.98/x - Step 3: Cross multiply
347,392.71x = 520,727.79 × 134,306.98 - Step 4: Simplify right side
347,392.71x = 69,937,376,876.97 - Step 5: Solve for x
x = 69,937,376,876.97/347,392.71 - Step 6: Final answer
x = 201,320.80
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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.