Finding the Fourth Proportional to 351,959.23, 485,706.14 and 190,816.75
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Solution
The fourth proportional to 351,959.23, 485,706.14 and 190,816.75 is: 263,328.42
Step by Step Solution
- Step 1: Write the proportion equation
351,959.23 : 485,706.14 = 190,816.75 : x - Step 2: Convert to fraction form
351,959.23/485,706.14 = 190,816.75/x - Step 3: Cross multiply
351,959.23x = 485,706.14 × 190,816.75 - Step 4: Simplify right side
351,959.23x = 92,680,867,089.85 - Step 5: Solve for x
x = 92,680,867,089.85/351,959.23 - Step 6: Final answer
x = 263,328.42
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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.