Finding the Fourth Proportional to 700,868.80, 1,051,478.70 and 202,232.80
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Solution
The fourth proportional to 700,868.80, 1,051,478.70 and 202,232.80 is: 303,399.84
Step by Step Solution
- Step 1: Write the proportion equation
700,868.80 : 1,051,478.70 = 202,232.80 : x - Step 2: Convert to fraction form
700,868.80/1,051,478.70 = 202,232.80/x - Step 3: Cross multiply
700,868.80x = 1,051,478.70 × 202,232.80 - Step 4: Simplify right side
700,868.80x = 212,643,481,641.36 - Step 5: Solve for x
x = 212,643,481,641.36/700,868.80 - Step 6: Final answer
x = 303,399.84
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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.