Finding the Fourth Proportional to 382,299.75, 527,574.26 and 212,533.88
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Solution
The fourth proportional to 382,299.75, 527,574.26 and 212,533.88 is: 293,297.09
Step by Step Solution
- Step 1: Write the proportion equation
382,299.75 : 527,574.26 = 212,533.88 : x - Step 2: Convert to fraction form
382,299.75/527,574.26 = 212,533.88/x - Step 3: Cross multiply
382,299.75x = 527,574.26 × 212,533.88 - Step 4: Simplify right side
382,299.75x = 112,127,402,359.39 - Step 5: Solve for x
x = 112,127,402,359.39/382,299.75 - Step 6: Final answer
x = 293,297.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.