Finding the Fourth Proportional to 677,447.11, 1,016,171.10 and 172,045.99
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Solution
The fourth proportional to 677,447.11, 1,016,171.10 and 172,045.99 is: 258,069.09
Step by Step Solution
- Step 1: Write the proportion equation
677,447.11 : 1,016,171.10 = 172,045.99 : x - Step 2: Convert to fraction form
677,447.11/1,016,171.10 = 172,045.99/x - Step 3: Cross multiply
677,447.11x = 1,016,171.10 × 172,045.99 - Step 4: Simplify right side
677,447.11x = 174,828,160,368.46 - Step 5: Solve for x
x = 174,828,160,368.46/677,447.11 - Step 6: Final answer
x = 258,069.09
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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.