Finding the Fourth Proportional to 351,678.48, 485,316.81 and 190,533.53
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Solution
The fourth proportional to 351,678.48, 485,316.81 and 190,533.53 is: 262,936.55
Step by Step Solution
- Step 1: Write the proportion equation
351,678.48 : 485,316.81 = 190,533.53 : x - Step 2: Convert to fraction form
351,678.48/485,316.81 = 190,533.53/x - Step 3: Cross multiply
351,678.48x = 485,316.81 × 190,533.53 - Step 4: Simplify right side
351,678.48x = 92,469,124,977.64 - Step 5: Solve for x
x = 92,469,124,977.64/351,678.48 - Step 6: Final answer
x = 262,936.55
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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.