Finding the Fourth Proportional to 118,979.99, 178,390.12 and 46,866.96
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Solution
The fourth proportional to 118,979.99, 178,390.12 and 46,866.96 is: 70,268.99
Step by Step Solution
- Step 1: Write the proportion equation
118,979.99 : 178,390.12 = 46,866.96 : x - Step 2: Convert to fraction form
118,979.99/178,390.12 = 46,866.96/x - Step 3: Cross multiply
118,979.99x = 178,390.12 × 46,866.96 - Step 4: Simplify right side
118,979.99x = 8,360,603,222.68 - Step 5: Solve for x
x = 8,360,603,222.68/118,979.99 - Step 6: Final answer
x = 70,268.99
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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.