Finding the Fourth Proportional to 431,472.52, 646,700.44 and 194,537.80
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Solution
The fourth proportional to 431,472.52, 646,700.44 and 194,537.80 is: 291,577.50
Step by Step Solution
- Step 1: Write the proportion equation
431,472.52 : 646,700.44 = 194,537.80 : x - Step 2: Convert to fraction form
431,472.52/646,700.44 = 194,537.80/x - Step 3: Cross multiply
431,472.52x = 646,700.44 × 194,537.80 - Step 4: Simplify right side
431,472.52x = 125,807,680,856.63 - Step 5: Solve for x
x = 125,807,680,856.63/431,472.52 - Step 6: Final answer
x = 291,577.50
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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.