Finding the Fourth Proportional to 229,891.98, 317,396.69 and 157,416.15
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Solution
The fourth proportional to 229,891.98, 317,396.69 and 157,416.15 is: 217,334.09
Step by Step Solution
- Step 1: Write the proportion equation
229,891.98 : 317,396.69 = 157,416.15 : x - Step 2: Convert to fraction form
229,891.98/317,396.69 = 157,416.15/x - Step 3: Cross multiply
229,891.98x = 317,396.69 × 157,416.15 - Step 4: Simplify right side
229,891.98x = 49,963,364,962.54 - Step 5: Solve for x
x = 49,963,364,962.54/229,891.98 - Step 6: Final answer
x = 217,334.09
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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.