Finding the Fourth Proportional to 654,722.49, 982,125.26 and 205,461.08
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Solution
The fourth proportional to 654,722.49, 982,125.26 and 205,461.08 is: 308,204.65
Step by Step Solution
- Step 1: Write the proportion equation
654,722.49 : 982,125.26 = 205,461.08 : x - Step 2: Convert to fraction form
654,722.49/982,125.26 = 205,461.08/x - Step 3: Cross multiply
654,722.49x = 982,125.26 × 205,461.08 - Step 4: Simplify right side
654,722.49x = 201,788,516,614.88 - Step 5: Solve for x
x = 201,788,516,614.88/654,722.49 - Step 6: Final answer
x = 308,204.65
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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.