Finding the Fourth Proportional to 382,352.81, 527,660.42 and 210,284.08
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Solution
The fourth proportional to 382,352.81, 527,660.42 and 210,284.08 is: 290,199.47
Step by Step Solution
- Step 1: Write the proportion equation
382,352.81 : 527,660.42 = 210,284.08 : x - Step 2: Convert to fraction form
382,352.81/527,660.42 = 210,284.08/x - Step 3: Cross multiply
382,352.81x = 527,660.42 × 210,284.08 - Step 4: Simplify right side
382,352.81x = 110,958,583,601.54 - Step 5: Solve for x
x = 110,958,583,601.54/382,352.81 - Step 6: Final answer
x = 290,199.47
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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.