Finding the Fourth Proportional to 145,964.24, 201,424.48 and 82,307.96
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Solution
The fourth proportional to 145,964.24, 201,424.48 and 82,307.96 is: 113,581.50
Step by Step Solution
- Step 1: Write the proportion equation
145,964.24 : 201,424.48 = 82,307.96 : x - Step 2: Convert to fraction form
145,964.24/201,424.48 = 82,307.96/x - Step 3: Cross multiply
145,964.24x = 201,424.48 × 82,307.96 - Step 4: Simplify right side
145,964.24x = 16,578,838,042.86 - Step 5: Solve for x
x = 16,578,838,042.86/145,964.24 - Step 6: Final answer
x = 113,581.50
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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.