Finding the Fourth Proportional to 207,324.90, 310,987.35 and 67,097.70
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Solution
The fourth proportional to 207,324.90, 310,987.35 and 67,097.70 is: 100,646.55
Step by Step Solution
- Step 1: Write the proportion equation
207,324.90 : 310,987.35 = 67,097.70 : x - Step 2: Convert to fraction form
207,324.90/310,987.35 = 67,097.70/x - Step 3: Cross multiply
207,324.90x = 310,987.35 × 67,097.70 - Step 4: Simplify right side
207,324.90x = 20,866,535,914.10 - Step 5: Solve for x
x = 20,866,535,914.10/207,324.90 - Step 6: Final answer
x = 100,646.55
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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.