Finding the Fourth Proportional to 417,201.04, 576,212.60 and 282,831.76
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Solution
The fourth proportional to 417,201.04, 576,212.60 and 282,831.76 is: 390,629.96
Step by Step Solution
- Step 1: Write the proportion equation
417,201.04 : 576,212.60 = 282,831.76 : x - Step 2: Convert to fraction form
417,201.04/576,212.60 = 282,831.76/x - Step 3: Cross multiply
417,201.04x = 576,212.60 × 282,831.76 - Step 4: Simplify right side
417,201.04x = 162,971,223,792.18 - Step 5: Solve for x
x = 162,971,223,792.18/417,201.04 - Step 6: Final answer
x = 390,629.96
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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.