Finding the Fourth Proportional to 247,262.10, 341,125.11 and 161,322.18
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Solution
The fourth proportional to 247,262.10, 341,125.11 and 161,322.18 is: 222,561.59
Step by Step Solution
- Step 1: Write the proportion equation
247,262.10 : 341,125.11 = 161,322.18 : x - Step 2: Convert to fraction form
247,262.10/341,125.11 = 161,322.18/x - Step 3: Cross multiply
247,262.10x = 341,125.11 × 161,322.18 - Step 4: Simplify right side
247,262.10x = 55,031,046,397.94 - Step 5: Solve for x
x = 55,031,046,397.94/247,262.10 - Step 6: Final answer
x = 222,561.59
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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.