Finding the Fourth Proportional to 201,220.42, 277,623.62 and 120,618.53
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Solution
The fourth proportional to 201,220.42, 277,623.62 and 120,618.53 is: 166,417.28
Step by Step Solution
- Step 1: Write the proportion equation
201,220.42 : 277,623.62 = 120,618.53 : x - Step 2: Convert to fraction form
201,220.42/277,623.62 = 120,618.53/x - Step 3: Cross multiply
201,220.42x = 277,623.62 × 120,618.53 - Step 4: Simplify right side
201,220.42x = 33,486,553,631.74 - Step 5: Solve for x
x = 33,486,553,631.74/201,220.42 - Step 6: Final answer
x = 166,417.28
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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.