Finding the Fourth Proportional to 476,193.22, 656,959.58 and 272,134.67
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Solution
The fourth proportional to 476,193.22, 656,959.58 and 272,134.67 is: 375,438.95
Step by Step Solution
- Step 1: Write the proportion equation
476,193.22 : 656,959.58 = 272,134.67 : x - Step 2: Convert to fraction form
476,193.22/656,959.58 = 272,134.67/x - Step 3: Cross multiply
476,193.22x = 656,959.58 × 272,134.67 - Step 4: Simplify right side
476,193.22x = 178,781,480,829.37 - Step 5: Solve for x
x = 178,781,480,829.37/476,193.22 - Step 6: Final answer
x = 375,438.95
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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.