Finding the Fourth Proportional to 201,011.32, 277,394.42 and 110,368.92
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Solution
The fourth proportional to 201,011.32, 277,394.42 and 110,368.92 is: 152,308.45
Step by Step Solution
- Step 1: Write the proportion equation
201,011.32 : 277,394.42 = 110,368.92 : x - Step 2: Convert to fraction form
201,011.32/277,394.42 = 110,368.92/x - Step 3: Cross multiply
201,011.32x = 277,394.42 × 110,368.92 - Step 4: Simplify right side
201,011.32x = 30,615,722,549.43 - Step 5: Solve for x
x = 30,615,722,549.43/201,011.32 - Step 6: Final answer
x = 152,308.45
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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.