Finding the Fourth Proportional to 446,481, 616,143.78 and 245,277
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Solution
The fourth proportional to 446,481, 616,143.78 and 245,277 is: 338,482.26
Step by Step Solution
- Step 1: Write the proportion equation
446,481 : 616,143.78 = 245,277 : x - Step 2: Convert to fraction form
446,481/616,143.78 = 245,277/x - Step 3: Cross multiply
446,481x = 616,143.78 × 245,277 - Step 4: Simplify right side
446,481x = 151,125,897,927.06 - Step 5: Solve for x
x = 151,125,897,927.06/446,481 - Step 6: Final answer
x = 338,482.26
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1.5x scale
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.