Finding the Fourth Proportional to 380,282.99, 524,796.72 and 208,198.05
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Solution
The fourth proportional to 380,282.99, 524,796.72 and 208,198.05 is: 287,316.70
Step by Step Solution
- Step 1: Write the proportion equation
380,282.99 : 524,796.72 = 208,198.05 : x - Step 2: Convert to fraction form
380,282.99/524,796.72 = 208,198.05/x - Step 3: Cross multiply
380,282.99x = 524,796.72 × 208,198.05 - Step 4: Simplify right side
380,282.99x = 109,261,653,750.40 - Step 5: Solve for x
x = 109,261,653,750.40/380,282.99 - Step 6: Final answer
x = 287,316.70
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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.