Finding the Fourth Proportional to 380,207.96, 524,628.26 and 219,031.48
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Solution
The fourth proportional to 380,207.96, 524,628.26 and 219,031.48 is: 302,229.61
Step by Step Solution
- Step 1: Write the proportion equation
380,207.96 : 524,628.26 = 219,031.48 : x - Step 2: Convert to fraction form
380,207.96/524,628.26 = 219,031.48/x - Step 3: Cross multiply
380,207.96x = 524,628.26 × 219,031.48 - Step 4: Simplify right side
380,207.96x = 114,910,104,237.63 - Step 5: Solve for x
x = 114,910,104,237.63/380,207.96 - Step 6: Final answer
x = 302,229.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.