Finding the Fourth Proportional to 396,007.84, 546,270.24 and 234,707.68
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Solution
The fourth proportional to 396,007.84, 546,270.24 and 234,707.68 is: 323,765.86
Step by Step Solution
- Step 1: Write the proportion equation
396,007.84 : 546,270.24 = 234,707.68 : x - Step 2: Convert to fraction form
396,007.84/546,270.24 = 234,707.68/x - Step 3: Cross multiply
396,007.84x = 546,270.24 × 234,707.68 - Step 4: Simplify right side
396,007.84x = 128,213,820,683.44 - Step 5: Solve for x
x = 128,213,820,683.44/396,007.84 - Step 6: Final answer
x = 323,765.86
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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.