Finding the Fourth Proportional to 102,425.10, 153,637.64 and 32,309.88
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Solution
The fourth proportional to 102,425.10, 153,637.64 and 32,309.88 is: 48,464.82
Step by Step Solution
- Step 1: Write the proportion equation
102,425.10 : 153,637.64 = 32,309.88 : x - Step 2: Convert to fraction form
102,425.10/153,637.64 = 32,309.88/x - Step 3: Cross multiply
102,425.10x = 153,637.64 × 32,309.88 - Step 4: Simplify right side
102,425.10x = 4,964,013,711.88 - Step 5: Solve for x
x = 4,964,013,711.88/102,425.10 - Step 6: Final answer
x = 48,464.82
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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.