Finding the Fourth Proportional to 201,312.07, 277,815.97 and 109,437.53
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Solution
The fourth proportional to 201,312.07, 277,815.97 and 109,437.53 is: 151,026.68
Step by Step Solution
- Step 1: Write the proportion equation
201,312.07 : 277,815.97 = 109,437.53 : x - Step 2: Convert to fraction form
201,312.07/277,815.97 = 109,437.53/x - Step 3: Cross multiply
201,312.07x = 277,815.97 × 109,437.53 - Step 4: Simplify right side
201,312.07x = 30,403,493,004.17 - Step 5: Solve for x
x = 30,403,493,004.17/201,312.07 - Step 6: Final answer
x = 151,026.68
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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.