Finding the Fourth Proportional to 424,831.84, 637,256.26 and 158,539.28
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Solution
The fourth proportional to 424,831.84, 637,256.26 and 158,539.28 is: 237,812.09
Step by Step Solution
- Step 1: Write the proportion equation
424,831.84 : 637,256.26 = 158,539.28 : x - Step 2: Convert to fraction form
424,831.84/637,256.26 = 158,539.28/x - Step 3: Cross multiply
424,831.84x = 637,256.26 × 158,539.28 - Step 4: Simplify right side
424,831.84x = 101,030,145,647.79 - Step 5: Solve for x
x = 101,030,145,647.79/424,831.84 - Step 6: Final answer
x = 237,812.09
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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.