Finding the Fourth Proportional to 207,267.70, 310,901.55 and 74,211.70
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Solution
The fourth proportional to 207,267.70, 310,901.55 and 74,211.70 is: 111,317.55
Step by Step Solution
- Step 1: Write the proportion equation
207,267.70 : 310,901.55 = 74,211.70 : x - Step 2: Convert to fraction form
207,267.70/310,901.55 = 74,211.70/x - Step 3: Cross multiply
207,267.70x = 310,901.55 × 74,211.70 - Step 4: Simplify right side
207,267.70x = 23,072,532,558.14 - Step 5: Solve for x
x = 23,072,532,558.14/207,267.70 - Step 6: Final answer
x = 111,317.55
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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.