Finding the Fourth Proportional to 277,090.61, 382,385.48 and 149,766.19
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Solution
The fourth proportional to 277,090.61, 382,385.48 and 149,766.19 is: 206,677.58
Step by Step Solution
- Step 1: Write the proportion equation
277,090.61 : 382,385.48 = 149,766.19 : x - Step 2: Convert to fraction form
277,090.61/382,385.48 = 149,766.19/x - Step 3: Cross multiply
277,090.61x = 382,385.48 × 149,766.19 - Step 4: Simplify right side
277,090.61x = 57,268,414,746.13 - Step 5: Solve for x
x = 57,268,414,746.13/277,090.61 - Step 6: Final answer
x = 206,677.58
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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.