Finding the Fourth Proportional to 219,201.23, 302,465.24 and 133,115.43
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Solution
The fourth proportional to 219,201.23, 302,465.24 and 133,115.43 is: 183,679.58
Step by Step Solution
- Step 1: Write the proportion equation
219,201.23 : 302,465.24 = 133,115.43 : x - Step 2: Convert to fraction form
219,201.23/302,465.24 = 133,115.43/x - Step 3: Cross multiply
219,201.23x = 302,465.24 × 133,115.43 - Step 4: Simplify right side
219,201.23x = 40,262,789,817.08 - Step 5: Solve for x
x = 40,262,789,817.08/219,201.23 - Step 6: Final answer
x = 183,679.58
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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.