Finding the Fourth Proportional to 396,319.08, 594,498.12 and 159,629.76
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Solution
The fourth proportional to 396,319.08, 594,498.12 and 159,629.76 is: 239,452.49
Step by Step Solution
- Step 1: Write the proportion equation
396,319.08 : 594,498.12 = 159,629.76 : x - Step 2: Convert to fraction form
396,319.08/594,498.12 = 159,629.76/x - Step 3: Cross multiply
396,319.08x = 594,498.12 × 159,629.76 - Step 4: Simplify right side
396,319.08x = 94,899,592,216.05 - Step 5: Solve for x
x = 94,899,592,216.05/396,319.08 - Step 6: Final answer
x = 239,452.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.