Finding the Fourth Proportional to 298,090.14, 411,366.15 and 162,125.34
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Solution
The fourth proportional to 298,090.14, 411,366.15 and 162,125.34 is: 223,733.92
Step by Step Solution
- Step 1: Write the proportion equation
298,090.14 : 411,366.15 = 162,125.34 : x - Step 2: Convert to fraction form
298,090.14/411,366.15 = 162,125.34/x - Step 3: Cross multiply
298,090.14x = 411,366.15 × 162,125.34 - Step 4: Simplify right side
298,090.14x = 66,692,876,933.24 - Step 5: Solve for x
x = 66,692,876,933.24/298,090.14 - Step 6: Final answer
x = 223,733.92
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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.