Finding the Fourth Proportional to 347,146.08, 520,531.80 and 157,502.94
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Solution
The fourth proportional to 347,146.08, 520,531.80 and 157,502.94 is: 236,169.42
Step by Step Solution
- Step 1: Write the proportion equation
347,146.08 : 520,531.80 = 157,502.94 : x - Step 2: Convert to fraction form
347,146.08/520,531.80 = 157,502.94/x - Step 3: Cross multiply
347,146.08x = 520,531.80 × 157,502.94 - Step 4: Simplify right side
347,146.08x = 81,985,288,863.49 - Step 5: Solve for x
x = 81,985,288,863.49/347,146.08 - Step 6: Final answer
x = 236,169.42
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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.