Finding the Fourth Proportional to 186,801.18, 280,102.74 and 81,497.13
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Solution
The fourth proportional to 186,801.18, 280,102.74 and 81,497.13 is: 122,202.49
Step by Step Solution
- Step 1: Write the proportion equation
186,801.18 : 280,102.74 = 81,497.13 : x - Step 2: Convert to fraction form
186,801.18/280,102.74 = 81,497.13/x - Step 3: Cross multiply
186,801.18x = 280,102.74 × 81,497.13 - Step 4: Simplify right side
186,801.18x = 22,827,569,415.14 - Step 5: Solve for x
x = 22,827,569,415.14/186,801.18 - Step 6: Final answer
x = 122,202.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.