Finding the Fourth Proportional to 261,532.24, 392,298.37 and 74,538.88
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Solution
The fourth proportional to 261,532.24, 392,298.37 and 74,538.88 is: 111,808.32
Step by Step Solution
- Step 1: Write the proportion equation
261,532.24 : 392,298.37 = 74,538.88 : x - Step 2: Convert to fraction form
261,532.24/392,298.37 = 74,538.88/x - Step 3: Cross multiply
261,532.24x = 392,298.37 × 74,538.88 - Step 4: Simplify right side
261,532.24x = 29,241,480,752.93 - Step 5: Solve for x
x = 29,241,480,752.93/261,532.24 - Step 6: Final answer
x = 111,808.32
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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.