Finding the Fourth Proportional to 494,691.75, 742,000.37 and 157,718.79
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Solution
The fourth proportional to 494,691.75, 742,000.37 and 157,718.79 is: 236,566.31
Step by Step Solution
- Step 1: Write the proportion equation
494,691.75 : 742,000.37 = 157,718.79 : x - Step 2: Convert to fraction form
494,691.75/742,000.37 = 157,718.79/x - Step 3: Cross multiply
494,691.75x = 742,000.37 × 157,718.79 - Step 4: Simplify right side
494,691.75x = 117,027,399,747.36 - Step 5: Solve for x
x = 117,027,399,747.36/494,691.75 - Step 6: Final answer
x = 236,566.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.