Finding the Fourth Proportional to 468,286.22, 646,236.12 and 253,427.84
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Solution
The fourth proportional to 468,286.22, 646,236.12 and 253,427.84 is: 349,731.03
Step by Step Solution
- Step 1: Write the proportion equation
468,286.22 : 646,236.12 = 253,427.84 : x - Step 2: Convert to fraction form
468,286.22/646,236.12 = 253,427.84/x - Step 3: Cross multiply
468,286.22x = 646,236.12 × 253,427.84 - Step 4: Simplify right side
468,286.22x = 163,774,224,021.58 - Step 5: Solve for x
x = 163,774,224,021.58/468,286.22 - Step 6: Final answer
x = 349,731.03
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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.