Finding the Fourth Proportional to 297,831.57, 411,010.74 and 161,865.53
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Solution
The fourth proportional to 297,831.57, 411,010.74 and 161,865.53 is: 223,376.15
Step by Step Solution
- Step 1: Write the proportion equation
297,831.57 : 411,010.74 = 161,865.53 : x - Step 2: Convert to fraction form
297,831.57/411,010.74 = 161,865.53/x - Step 3: Cross multiply
297,831.57x = 411,010.74 × 161,865.53 - Step 4: Simplify right side
297,831.57x = 66,528,469,210.74 - Step 5: Solve for x
x = 66,528,469,210.74/297,831.57 - Step 6: Final answer
x = 223,376.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.