Finding the Fourth Proportional to 290,429.52, 435,381.84 and 201,724.80
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Solution
The fourth proportional to 290,429.52, 435,381.84 and 201,724.80 is: 302,404.92
Step by Step Solution
- Step 1: Write the proportion equation
290,429.52 : 435,381.84 = 201,724.80 : x - Step 2: Convert to fraction form
290,429.52/435,381.84 = 201,724.80/x - Step 3: Cross multiply
290,429.52x = 435,381.84 × 201,724.80 - Step 4: Simplify right side
290,429.52x = 87,827,314,597.63 - Step 5: Solve for x
x = 87,827,314,597.63/290,429.52 - Step 6: Final answer
x = 302,404.92
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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.