Finding the Fourth Proportional to 277,145.48, 382,461.75 and 149,821.08
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Solution
The fourth proportional to 277,145.48, 382,461.75 and 149,821.08 is: 206,753.62
Step by Step Solution
- Step 1: Write the proportion equation
277,145.48 : 382,461.75 = 149,821.08 : x - Step 2: Convert to fraction form
277,145.48/382,461.75 = 149,821.08/x - Step 3: Cross multiply
277,145.48x = 382,461.75 × 149,821.08 - Step 4: Simplify right side
277,145.48x = 57,300,831,009.46 - Step 5: Solve for x
x = 57,300,831,009.46/277,145.48 - Step 6: Final answer
x = 206,753.62
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1.5x scale
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.