Finding the Fourth Proportional to 452,728.28, 679,387.26 and 172,247.96
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Solution
The fourth proportional to 452,728.28, 679,387.26 and 172,247.96 is: 258,484.12
Step by Step Solution
- Step 1: Write the proportion equation
452,728.28 : 679,387.26 = 172,247.96 : x - Step 2: Convert to fraction form
452,728.28/679,387.26 = 172,247.96/x - Step 3: Cross multiply
452,728.28x = 679,387.26 × 172,247.96 - Step 4: Simplify right side
452,728.28x = 117,023,069,584.99 - Step 5: Solve for x
x = 117,023,069,584.99/452,728.28 - Step 6: Final answer
x = 258,484.12
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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.