Finding the Fourth Proportional to 201,449.77, 277,994.80 and 110,805.71
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Solution
The fourth proportional to 201,449.77, 277,994.80 and 110,805.71 is: 152,908.64
Step by Step Solution
- Step 1: Write the proportion equation
201,449.77 : 277,994.80 = 110,805.71 : x - Step 2: Convert to fraction form
201,449.77/277,994.80 = 110,805.71/x - Step 3: Cross multiply
201,449.77x = 277,994.80 × 110,805.71 - Step 4: Simplify right side
201,449.77x = 30,803,409,523.32 - Step 5: Solve for x
x = 30,803,409,523.32/201,449.77 - Step 6: Final answer
x = 152,908.64
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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.