Finding the Fourth Proportional to 396,220.54, 546,784.29 and 224,134.81
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Solution
The fourth proportional to 396,220.54, 546,784.29 and 224,134.81 is: 309,306.02
Step by Step Solution
- Step 1: Write the proportion equation
396,220.54 : 546,784.29 = 224,134.81 : x - Step 2: Convert to fraction form
396,220.54/546,784.29 = 224,134.81/x - Step 3: Cross multiply
396,220.54x = 546,784.29 × 224,134.81 - Step 4: Simplify right side
396,220.54x = 122,553,395,157.60 - Step 5: Solve for x
x = 122,553,395,157.60/396,220.54 - Step 6: Final answer
x = 309,306.02
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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.