Finding the Fourth Proportional to 410,022.08, 615,037.12 and 143,789.12
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Solution
The fourth proportional to 410,022.08, 615,037.12 and 143,789.12 is: 215,685.08
Step by Step Solution
- Step 1: Write the proportion equation
410,022.08 : 615,037.12 = 143,789.12 : x - Step 2: Convert to fraction form
410,022.08/615,037.12 = 143,789.12/x - Step 3: Cross multiply
410,022.08x = 615,037.12 × 143,789.12 - Step 4: Simplify right side
410,022.08x = 88,435,646,252.13 - Step 5: Solve for x
x = 88,435,646,252.13/410,022.08 - Step 6: Final answer
x = 215,685.08
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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.