Finding the Fourth Proportional to 277,296.52, 382,669.20 and 149,972.08
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Solution
The fourth proportional to 277,296.52, 382,669.20 and 149,972.08 is: 206,961.47
Step by Step Solution
- Step 1: Write the proportion equation
277,296.52 : 382,669.20 = 149,972.08 : x - Step 2: Convert to fraction form
277,296.52/382,669.20 = 149,972.08/x - Step 3: Cross multiply
277,296.52x = 382,669.20 × 149,972.08 - Step 4: Simplify right side
277,296.52x = 57,389,695,875.94 - Step 5: Solve for x
x = 57,389,695,875.94/277,296.52 - Step 6: Final answer
x = 206,961.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.