Finding the Fourth Proportional to 209,219.56, 314,967.67 and 190,619.08
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Solution
The fourth proportional to 209,219.56, 314,967.67 and 190,619.08 is: 286,965.75
Step by Step Solution
- Step 1: Write the proportion equation
209,219.56 : 314,967.67 = 190,619.08 : x - Step 2: Convert to fraction form
209,219.56/314,967.67 = 190,619.08/x - Step 3: Cross multiply
209,219.56x = 314,967.67 × 190,619.08 - Step 4: Simplify right side
209,219.56x = 60,038,847,485.14 - Step 5: Solve for x
x = 60,038,847,485.14/209,219.56 - Step 6: Final answer
x = 286,965.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.