Finding the Fourth Proportional to 147,614.49, 221,456.87 and 47,774.68
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Solution
The fourth proportional to 147,614.49, 221,456.87 and 47,774.68 is: 71,673.39
Step by Step Solution
- Step 1: Write the proportion equation
147,614.49 : 221,456.87 = 47,774.68 : x - Step 2: Convert to fraction form
147,614.49/221,456.87 = 47,774.68/x - Step 3: Cross multiply
147,614.49x = 221,456.87 × 47,774.68 - Step 4: Simplify right side
147,614.49x = 10,580,031,098.05 - Step 5: Solve for x
x = 10,580,031,098.05/147,614.49 - Step 6: Final answer
x = 71,673.39
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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.