Finding the Fourth Proportional to 294,809.20, 442,213.80 and 201,497.20
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Solution
The fourth proportional to 294,809.20, 442,213.80 and 201,497.20 is: 302,245.80
Step by Step Solution
- Step 1: Write the proportion equation
294,809.20 : 442,213.80 = 201,497.20 : x - Step 2: Convert to fraction form
294,809.20/442,213.80 = 201,497.20/x - Step 3: Cross multiply
294,809.20x = 442,213.80 × 201,497.20 - Step 4: Simplify right side
294,809.20x = 89,104,842,501.36 - Step 5: Solve for x
x = 89,104,842,501.36/294,809.20 - Step 6: Final answer
x = 302,245.80
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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.