Finding the Fourth Proportional to 210,284.68, 290,181.76 and 114,772.84
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Solution
The fourth proportional to 210,284.68, 290,181.76 and 114,772.84 is: 158,380.46
Step by Step Solution
- Step 1: Write the proportion equation
210,284.68 : 290,181.76 = 114,772.84 : x - Step 2: Convert to fraction form
210,284.68/290,181.76 = 114,772.84/x - Step 3: Cross multiply
210,284.68x = 290,181.76 × 114,772.84 - Step 4: Simplify right side
210,284.68x = 33,304,984,711.40 - Step 5: Solve for x
x = 33,304,984,711.40/210,284.68 - Step 6: Final answer
x = 158,380.46
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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.