Finding the Fourth Proportional to 424,819.79, 586,251.47 and 233,831.81
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Solution
The fourth proportional to 424,819.79, 586,251.47 and 233,831.81 is: 322,687.99
Step by Step Solution
- Step 1: Write the proportion equation
424,819.79 : 586,251.47 = 233,831.81 : x - Step 2: Convert to fraction form
424,819.79/586,251.47 = 233,831.81/x - Step 3: Cross multiply
424,819.79x = 586,251.47 × 233,831.81 - Step 4: Simplify right side
424,819.79x = 137,084,244,395.47 - Step 5: Solve for x
x = 137,084,244,395.47/424,819.79 - Step 6: Final answer
x = 322,687.99
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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.