Finding the Fourth Proportional to 112,803.09, 155,668.27 and 62,502.09
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Solution
The fourth proportional to 112,803.09, 155,668.27 and 62,502.09 is: 86,252.89
Step by Step Solution
- Step 1: Write the proportion equation
112,803.09 : 155,668.27 = 62,502.09 : x - Step 2: Convert to fraction form
112,803.09/155,668.27 = 62,502.09/x - Step 3: Cross multiply
112,803.09x = 155,668.27 × 62,502.09 - Step 4: Simplify right side
112,803.09x = 9,729,592,221.68 - Step 5: Solve for x
x = 9,729,592,221.68/112,803.09 - Step 6: Final answer
x = 86,252.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.