Finding the Fourth Proportional to 461,716.20, 692,574.30 and 146,197.80
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Solution
The fourth proportional to 461,716.20, 692,574.30 and 146,197.80 is: 219,296.70
Step by Step Solution
- Step 1: Write the proportion equation
461,716.20 : 692,574.30 = 146,197.80 : x - Step 2: Convert to fraction form
461,716.20/692,574.30 = 146,197.80/x - Step 3: Cross multiply
461,716.20x = 692,574.30 × 146,197.80 - Step 4: Simplify right side
461,716.20x = 101,252,838,996.54 - Step 5: Solve for x
x = 101,252,838,996.54/461,716.20 - Step 6: Final answer
x = 219,296.70
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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.