Finding the Fourth Proportional to 457,349.59, 685,658.04 and 217,343.05
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Solution
The fourth proportional to 457,349.59, 685,658.04 and 217,343.05 is: 325,840.48
Step by Step Solution
- Step 1: Write the proportion equation
457,349.59 : 685,658.04 = 217,343.05 : x - Step 2: Convert to fraction form
457,349.59/685,658.04 = 217,343.05/x - Step 3: Cross multiply
457,349.59x = 685,658.04 × 217,343.05 - Step 4: Simplify right side
457,349.59x = 149,023,009,670.62 - Step 5: Solve for x
x = 149,023,009,670.62/457,349.59 - Step 6: Final answer
x = 325,840.48
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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.