Finding the Fourth Proportional to 396,221.04, 546,784.99 and 224,135.32
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Solution
The fourth proportional to 396,221.04, 546,784.99 and 224,135.32 is: 309,306.71
Step by Step Solution
- Step 1: Write the proportion equation
396,221.04 : 546,784.99 = 224,135.32 : x - Step 2: Convert to fraction form
396,221.04/546,784.99 = 224,135.32/x - Step 3: Cross multiply
396,221.04x = 546,784.99 × 224,135.32 - Step 4: Simplify right side
396,221.04x = 122,553,824,850.25 - Step 5: Solve for x
x = 122,553,824,850.25/396,221.04 - Step 6: Final answer
x = 309,306.71
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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.