Finding the Fourth Proportional to 310,961.58, 466,475.68 and 86,322.96
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Solution
The fourth proportional to 310,961.58, 466,475.68 and 86,322.96 is: 129,493.69
Step by Step Solution
- Step 1: Write the proportion equation
310,961.58 : 466,475.68 = 86,322.96 : x - Step 2: Convert to fraction form
310,961.58/466,475.68 = 86,322.96/x - Step 3: Cross multiply
310,961.58x = 466,475.68 × 86,322.96 - Step 4: Simplify right side
310,961.58x = 40,267,561,465.61 - Step 5: Solve for x
x = 40,267,561,465.61/310,961.58 - Step 6: Final answer
x = 129,493.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.