Finding the Fourth Proportional to 396,449.98, 547,100.74 and 224,364.81
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Solution
The fourth proportional to 396,449.98, 547,100.74 and 224,364.81 is: 309,623.31
Step by Step Solution
- Step 1: Write the proportion equation
396,449.98 : 547,100.74 = 224,364.81 : x - Step 2: Convert to fraction form
396,449.98/547,100.74 = 224,364.81/x - Step 3: Cross multiply
396,449.98x = 547,100.74 × 224,364.81 - Step 4: Simplify right side
396,449.98x = 122,750,155,913.04 - Step 5: Solve for x
x = 122,750,155,913.04/396,449.98 - Step 6: Final answer
x = 309,623.31
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1.5x scale
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.