Finding the Fourth Proportional to 190,879.74, 286,319.29 and 48,724.99
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Solution
The fourth proportional to 190,879.74, 286,319.29 and 48,724.99 is: 73,087.40
Step by Step Solution
- Step 1: Write the proportion equation
190,879.74 : 286,319.29 = 48,724.99 : x - Step 2: Convert to fraction form
190,879.74/286,319.29 = 48,724.99/x - Step 3: Cross multiply
190,879.74x = 286,319.29 × 48,724.99 - Step 4: Simplify right side
190,879.74x = 13,950,904,542.06 - Step 5: Solve for x
x = 13,950,904,542.06/190,879.74 - Step 6: Final answer
x = 73,087.40
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1.5x scale
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.