Finding the Fourth Proportional to 396,031.08, 546,329.70 and 226,220.52
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Solution
The fourth proportional to 396,031.08, 546,329.70 and 226,220.52 is: 312,073.96
Step by Step Solution
- Step 1: Write the proportion equation
396,031.08 : 546,329.70 = 226,220.52 : x - Step 2: Convert to fraction form
396,031.08/546,329.70 = 226,220.52/x - Step 3: Cross multiply
396,031.08x = 546,329.70 × 226,220.52 - Step 4: Simplify right side
396,031.08x = 123,590,988,825.44 - Step 5: Solve for x
x = 123,590,988,825.44/396,031.08 - Step 6: Final answer
x = 312,073.96
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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.