Finding the Fourth Proportional to 339,555.91, 509,382.75 and 102,917.02
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Solution
The fourth proportional to 339,555.91, 509,382.75 and 102,917.02 is: 154,390.35
Step by Step Solution
- Step 1: Write the proportion equation
339,555.91 : 509,382.75 = 102,917.02 : x - Step 2: Convert to fraction form
339,555.91/509,382.75 = 102,917.02/x - Step 3: Cross multiply
339,555.91x = 509,382.75 × 102,917.02 - Step 4: Simplify right side
339,555.91x = 52,424,154,669.41 - Step 5: Solve for x
x = 52,424,154,669.41/339,555.91 - Step 6: Final answer
x = 154,390.35
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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.