Finding the Fourth Proportional to 261,527.99, 392,291.98 and 74,534.63
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Solution
The fourth proportional to 261,527.99, 392,291.98 and 74,534.63 is: 111,801.94
Step by Step Solution
- Step 1: Write the proportion equation
261,527.99 : 392,291.98 = 74,534.63 : x - Step 2: Convert to fraction form
261,527.99/392,291.98 = 74,534.63/x - Step 3: Cross multiply
261,527.99x = 392,291.98 × 74,534.63 - Step 4: Simplify right side
261,527.99x = 29,239,335,433.47 - Step 5: Solve for x
x = 29,239,335,433.47/261,527.99 - Step 6: Final answer
x = 111,801.94
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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.