Finding the Fourth Proportional to 201,387.84, 277,914.82 and 115,374.67
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Solution
The fourth proportional to 201,387.84, 277,914.82 and 115,374.67 is: 159,216.82
Step by Step Solution
- Step 1: Write the proportion equation
201,387.84 : 277,914.82 = 115,374.67 : x - Step 2: Convert to fraction form
201,387.84/277,914.82 = 115,374.67/x - Step 3: Cross multiply
201,387.84x = 277,914.82 × 115,374.67 - Step 4: Simplify right side
201,387.84x = 32,064,330,645.61 - Step 5: Solve for x
x = 32,064,330,645.61/201,387.84 - Step 6: Final answer
x = 159,216.82
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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.