Finding the Fourth Proportional to 209,973.80, 314,960.70 and 201,225.80
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Solution
The fourth proportional to 209,973.80, 314,960.70 and 201,225.80 is: 301,838.70
Step by Step Solution
- Step 1: Write the proportion equation
209,973.80 : 314,960.70 = 201,225.80 : x - Step 2: Convert to fraction form
209,973.80/314,960.70 = 201,225.80/x - Step 3: Cross multiply
209,973.80x = 314,960.70 × 201,225.80 - Step 4: Simplify right side
209,973.80x = 63,378,218,826.06 - Step 5: Solve for x
x = 63,378,218,826.06/209,973.80 - Step 6: Final answer
x = 301,838.70
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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.