Finding the Fourth Proportional to 277,297.49, 382,670.52 and 149,973.09
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Solution
The fourth proportional to 277,297.49, 382,670.52 and 149,973.09 is: 206,962.86
Step by Step Solution
- Step 1: Write the proportion equation
277,297.49 : 382,670.52 = 149,973.09 : x - Step 2: Convert to fraction form
277,297.49/382,670.52 = 149,973.09/x - Step 3: Cross multiply
277,297.49x = 382,670.52 × 149,973.09 - Step 4: Simplify right side
277,297.49x = 57,390,280,336.31 - Step 5: Solve for x
x = 57,390,280,336.31/277,297.49 - Step 6: Final answer
x = 206,962.86
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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.