Finding the Fourth Proportional to 394,281.16, 591,470.94 and 154,364.08
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Solution
The fourth proportional to 394,281.16, 591,470.94 and 154,364.08 is: 231,565.38
Step by Step Solution
- Step 1: Write the proportion equation
394,281.16 : 591,470.94 = 154,364.08 : x - Step 2: Convert to fraction form
394,281.16/591,470.94 = 154,364.08/x - Step 3: Cross multiply
394,281.16x = 591,470.94 × 154,364.08 - Step 4: Simplify right side
394,281.16x = 91,301,867,499.84 - Step 5: Solve for x
x = 91,301,867,499.84/394,281.16 - Step 6: Final answer
x = 231,565.38
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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.