Finding the Fourth Proportional to 375,389.36, 518,037.44 and 205,629.60
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Solution
The fourth proportional to 375,389.36, 518,037.44 and 205,629.60 is: 283,768.92
Step by Step Solution
- Step 1: Write the proportion equation
375,389.36 : 518,037.44 = 205,629.60 : x - Step 2: Convert to fraction form
375,389.36/518,037.44 = 205,629.60/x - Step 3: Cross multiply
375,389.36x = 518,037.44 × 205,629.60 - Step 4: Simplify right side
375,389.36x = 106,523,831,572.22 - Step 5: Solve for x
x = 106,523,831,572.22/375,389.36 - Step 6: Final answer
x = 283,768.92
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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.