Finding the Fourth Proportional to 168,668.51, 232,739.99 and 108,320.87
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Solution
The fourth proportional to 168,668.51, 232,739.99 and 108,320.87 is: 149,468.32
Step by Step Solution
- Step 1: Write the proportion equation
168,668.51 : 232,739.99 = 108,320.87 : x - Step 2: Convert to fraction form
168,668.51/232,739.99 = 108,320.87/x - Step 3: Cross multiply
168,668.51x = 232,739.99 × 108,320.87 - Step 4: Simplify right side
168,668.51x = 25,210,598,200.59 - Step 5: Solve for x
x = 25,210,598,200.59/168,668.51 - Step 6: Final answer
x = 149,468.32
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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.