Finding the Fourth Proportional to 90,348.44, 135,646.79 and 46,004.99
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Solution
The fourth proportional to 90,348.44, 135,646.79 and 46,004.99 is: 69,070.69
Step by Step Solution
- Step 1: Write the proportion equation
90,348.44 : 135,646.79 = 46,004.99 : x - Step 2: Convert to fraction form
90,348.44/135,646.79 = 46,004.99/x - Step 3: Cross multiply
90,348.44x = 135,646.79 × 46,004.99 - Step 4: Simplify right side
90,348.44x = 6,240,428,309.22 - Step 5: Solve for x
x = 6,240,428,309.22/90,348.44 - Step 6: Final answer
x = 69,070.69
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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.