Finding the Fourth Proportional to 201,368.40, 277,881.28 and 110,723.73
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Solution
The fourth proportional to 201,368.40, 277,881.28 and 110,723.73 is: 152,794.84
Step by Step Solution
- Step 1: Write the proportion equation
201,368.40 : 277,881.28 = 110,723.73 : x - Step 2: Convert to fraction form
201,368.40/277,881.28 = 110,723.73/x - Step 3: Cross multiply
201,368.40x = 277,881.28 × 110,723.73 - Step 4: Simplify right side
201,368.40x = 30,768,051,818.77 - Step 5: Solve for x
x = 30,768,051,818.77/201,368.40 - Step 6: Final answer
x = 152,794.84
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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.