Finding the Fourth Proportional to 221,697.69, 303,726.97 and 213,395.14
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Solution
The fourth proportional to 221,697.69, 303,726.97 and 213,395.14 is: 292,352.43
Step by Step Solution
- Step 1: Write the proportion equation
221,697.69 : 303,726.97 = 213,395.14 : x - Step 2: Convert to fraction form
221,697.69/303,726.97 = 213,395.14/x - Step 3: Cross multiply
221,697.69x = 303,726.97 × 213,395.14 - Step 4: Simplify right side
221,697.69x = 64,813,858,730.98 - Step 5: Solve for x
x = 64,813,858,730.98/221,697.69 - Step 6: Final answer
x = 292,352.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.