Finding the Fourth Proportional to 338,835.18, 467,584.14 and 193,631.76
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Solution
The fourth proportional to 338,835.18, 467,584.14 and 193,631.76 is: 267,207.02
Step by Step Solution
- Step 1: Write the proportion equation
338,835.18 : 467,584.14 = 193,631.76 : x - Step 2: Convert to fraction form
338,835.18/467,584.14 = 193,631.76/x - Step 3: Cross multiply
338,835.18x = 467,584.14 × 193,631.76 - Step 4: Simplify right side
338,835.18x = 90,539,139,976.29 - Step 5: Solve for x
x = 90,539,139,976.29/338,835.18 - Step 6: Final answer
x = 267,207.02
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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.