Finding the Fourth Proportional to 260,034.99, 390,052.49 and 91,515.63
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Solution
The fourth proportional to 260,034.99, 390,052.49 and 91,515.63 is: 137,273.45
Step by Step Solution
- Step 1: Write the proportion equation
260,034.99 : 390,052.49 = 91,515.63 : x - Step 2: Convert to fraction form
260,034.99/390,052.49 = 91,515.63/x - Step 3: Cross multiply
260,034.99x = 390,052.49 × 91,515.63 - Step 4: Simplify right side
260,034.99x = 35,695,898,897.84 - Step 5: Solve for x
x = 35,695,898,897.84/260,034.99 - Step 6: Final answer
x = 137,273.45
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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.