Finding the Fourth Proportional to 149,455.70, 209,393.50 and 149,455.70
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Solution
The fourth proportional to 149,455.70, 209,393.50 and 149,455.70 is: 209,393.50
Step by Step Solution
- Step 1: Write the proportion equation
149,455.70 : 209,393.50 = 149,455.70 : x - Step 2: Convert to fraction form
149,455.70/209,393.50 = 149,455.70/x - Step 3: Cross multiply
149,455.70x = 209,393.50 × 149,455.70 - Step 4: Simplify right side
149,455.70x = 31,295,052,117.95 - Step 5: Solve for x
x = 31,295,052,117.95/149,455.70 - Step 6: Final answer
x = 209,393.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.