Finding the Fourth Proportional to 201,427.18, 277,971.36 and 109,547.32
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Solution
The fourth proportional to 201,427.18, 277,971.36 and 109,547.32 is: 151,176.31
Step by Step Solution
- Step 1: Write the proportion equation
201,427.18 : 277,971.36 = 109,547.32 : x - Step 2: Convert to fraction form
201,427.18/277,971.36 = 109,547.32/x - Step 3: Cross multiply
201,427.18x = 277,971.36 × 109,547.32 - Step 4: Simplify right side
201,427.18x = 30,451,017,524.76 - Step 5: Solve for x
x = 30,451,017,524.76/201,427.18 - Step 6: Final answer
x = 151,176.31
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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.