Finding the Fourth Proportional to 209,489.87, 314,284.01 and 69,248.49
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Solution
The fourth proportional to 209,489.87, 314,284.01 and 69,248.49 is: 103,889.00
Step by Step Solution
- Step 1: Write the proportion equation
209,489.87 : 314,284.01 = 69,248.49 : x - Step 2: Convert to fraction form
209,489.87/314,284.01 = 69,248.49/x - Step 3: Cross multiply
209,489.87x = 314,284.01 × 69,248.49 - Step 4: Simplify right side
209,489.87x = 21,763,692,777.40 - Step 5: Solve for x
x = 21,763,692,777.40/209,489.87 - Step 6: Final answer
x = 103,889.00
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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.