Finding the Fourth Proportional to 219,415.13, 329,099.10 and 148,791.09
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Solution
The fourth proportional to 219,415.13, 329,099.10 and 148,791.09 is: 223,170.63
Step by Step Solution
- Step 1: Write the proportion equation
219,415.13 : 329,099.10 = 148,791.09 : x - Step 2: Convert to fraction form
219,415.13/329,099.10 = 148,791.09/x - Step 3: Cross multiply
219,415.13x = 329,099.10 × 148,791.09 - Step 4: Simplify right side
219,415.13x = 48,967,013,807.02 - Step 5: Solve for x
x = 48,967,013,807.02/219,415.13 - Step 6: Final answer
x = 223,170.63
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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.