Finding the Fourth Proportional to 143,276.80, 197,668.29 and 88,804.06
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Solution
The fourth proportional to 143,276.80, 197,668.29 and 88,804.06 is: 122,516.32
Step by Step Solution
- Step 1: Write the proportion equation
143,276.80 : 197,668.29 = 88,804.06 : x - Step 2: Convert to fraction form
143,276.80/197,668.29 = 88,804.06/x - Step 3: Cross multiply
143,276.80x = 197,668.29 × 88,804.06 - Step 4: Simplify right side
143,276.80x = 17,553,746,685.26 - Step 5: Solve for x
x = 17,553,746,685.26/143,276.80 - Step 6: Final answer
x = 122,516.32
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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.