Finding the Fourth Proportional to 176,417.21, 264,716.37 and 86,458.23
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Solution
The fourth proportional to 176,417.21, 264,716.37 and 86,458.23 is: 129,731.73
Step by Step Solution
- Step 1: Write the proportion equation
176,417.21 : 264,716.37 = 86,458.23 : x - Step 2: Convert to fraction form
176,417.21/264,716.37 = 86,458.23/x - Step 3: Cross multiply
176,417.21x = 264,716.37 × 86,458.23 - Step 4: Simplify right side
176,417.21x = 22,886,908,802.23 - Step 5: Solve for x
x = 22,886,908,802.23/176,417.21 - Step 6: Final answer
x = 129,731.73
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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.