Finding the Fourth Proportional to 102,272.99, 153,402.74 and 49,003.07
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Solution
The fourth proportional to 102,272.99, 153,402.74 and 49,003.07 is: 73,501.37
Step by Step Solution
- Step 1: Write the proportion equation
102,272.99 : 153,402.74 = 49,003.07 : x - Step 2: Convert to fraction form
102,272.99/153,402.74 = 49,003.07/x - Step 3: Cross multiply
102,272.99x = 153,402.74 × 49,003.07 - Step 4: Simplify right side
102,272.99x = 7,517,204,961.40 - Step 5: Solve for x
x = 7,517,204,961.40/102,272.99 - Step 6: Final answer
x = 73,501.37
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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.