Finding the Fourth Proportional to 439,913.94, 659,738.97 and 229,437.06
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Solution
The fourth proportional to 439,913.94, 659,738.97 and 229,437.06 is: 344,086.78
Step by Step Solution
- Step 1: Write the proportion equation
439,913.94 : 659,738.97 = 229,437.06 : x - Step 2: Convert to fraction form
439,913.94/659,738.97 = 229,437.06/x - Step 3: Cross multiply
439,913.94x = 659,738.97 × 229,437.06 - Step 4: Simplify right side
439,913.94x = 151,368,569,644.23 - Step 5: Solve for x
x = 151,368,569,644.23/439,913.94 - Step 6: Final answer
x = 344,086.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.