Finding the Fourth Proportional to 339,837.93, 509,723.99 and 103,182.66
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Solution
The fourth proportional to 339,837.93, 509,723.99 and 103,182.66 is: 154,764.00
Step by Step Solution
- Step 1: Write the proportion equation
339,837.93 : 509,723.99 = 103,182.66 : x - Step 2: Convert to fraction form
339,837.93/509,723.99 = 103,182.66/x - Step 3: Cross multiply
339,837.93x = 509,723.99 × 103,182.66 - Step 4: Simplify right side
339,837.93x = 52,594,677,025.04 - Step 5: Solve for x
x = 52,594,677,025.04/339,837.93 - Step 6: Final answer
x = 154,764.00
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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.