Finding the Fourth Proportional to 339,153.48, 508,717.67 and 136,837.08
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Solution
The fourth proportional to 339,153.48, 508,717.67 and 136,837.08 is: 205,250.55
Step by Step Solution
- Step 1: Write the proportion equation
339,153.48 : 508,717.67 = 136,837.08 : x - Step 2: Convert to fraction form
339,153.48/508,717.67 = 136,837.08/x - Step 3: Cross multiply
339,153.48x = 508,717.67 × 136,837.08 - Step 4: Simplify right side
339,153.48x = 69,611,439,823.02 - Step 5: Solve for x
x = 69,611,439,823.02/339,153.48 - Step 6: Final answer
x = 205,250.55
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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.