Finding the Fourth Proportional to 396,771.64, 547,411.64 and 224,666.08
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Solution
The fourth proportional to 396,771.64, 547,411.64 and 224,666.08 is: 309,963.75
Step by Step Solution
- Step 1: Write the proportion equation
396,771.64 : 547,411.64 = 224,666.08 : x - Step 2: Convert to fraction form
396,771.64/547,411.64 = 224,666.08/x - Step 3: Cross multiply
396,771.64x = 547,411.64 × 224,666.08 - Step 4: Simplify right side
396,771.64x = 122,984,827,305.17 - Step 5: Solve for x
x = 122,984,827,305.17/396,771.64 - Step 6: Final answer
x = 309,963.75
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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.