Finding the Fourth Proportional to 868,153.20, 1,302,572.64 and 269,161.44
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Solution
The fourth proportional to 868,153.20, 1,302,572.64 and 269,161.44 is: 403,848.45
Step by Step Solution
- Step 1: Write the proportion equation
868,153.20 : 1,302,572.64 = 269,161.44 : x - Step 2: Convert to fraction form
868,153.20/1,302,572.64 = 269,161.44/x - Step 3: Cross multiply
868,153.20x = 1,302,572.64 × 269,161.44 - Step 4: Simplify right side
868,153.20x = 350,602,327,487.00 - Step 5: Solve for x
x = 350,602,327,487.00/868,153.20 - Step 6: Final answer
x = 403,848.45
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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.