Finding the Fourth Proportional to 494,724.48, 742,117.88 and 139,765.84
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Solution
The fourth proportional to 494,724.48, 742,117.88 and 139,765.84 is: 209,657.56
Step by Step Solution
- Step 1: Write the proportion equation
494,724.48 : 742,117.88 = 139,765.84 : x - Step 2: Convert to fraction form
494,724.48/742,117.88 = 139,765.84/x - Step 3: Cross multiply
494,724.48x = 742,117.88 × 139,765.84 - Step 4: Simplify right side
494,724.48x = 103,722,728,877.22 - Step 5: Solve for x
x = 103,722,728,877.22/494,724.48 - Step 6: Final answer
x = 209,657.56
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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.