Finding the Fourth Proportional to 762,809.28, 1,144,270.08 and 201,840
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Solution
The fourth proportional to 762,809.28, 1,144,270.08 and 201,840 is: 302,774.86
Step by Step Solution
- Step 1: Write the proportion equation
762,809.28 : 1,144,270.08 = 201,840 : x - Step 2: Convert to fraction form
762,809.28/1,144,270.08 = 201,840/x - Step 3: Cross multiply
762,809.28x = 1,144,270.08 × 201,840 - Step 4: Simplify right side
762,809.28x = 230,959,472,947.20 - Step 5: Solve for x
x = 230,959,472,947.20/762,809.28 - Step 6: Final answer
x = 302,774.86
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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.