Finding the Fourth Proportional to 868,796.42, 1,303,252.94 and 237,715.70
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Solution
The fourth proportional to 868,796.42, 1,303,252.94 and 237,715.70 is: 356,589.50
Step by Step Solution
- Step 1: Write the proportion equation
868,796.42 : 1,303,252.94 = 237,715.70 : x - Step 2: Convert to fraction form
868,796.42/1,303,252.94 = 237,715.70/x - Step 3: Cross multiply
868,796.42x = 1,303,252.94 × 237,715.70 - Step 4: Simplify right side
868,796.42x = 309,803,678,987.18 - Step 5: Solve for x
x = 309,803,678,987.18/868,796.42 - Step 6: Final answer
x = 356,589.50
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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.