Finding the Fourth Proportional to 410,858.80, 616,345.80 and 161,482.80
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Solution
The fourth proportional to 410,858.80, 616,345.80 and 161,482.80 is: 242,246.84
Step by Step Solution
- Step 1: Write the proportion equation
410,858.80 : 616,345.80 = 161,482.80 : x - Step 2: Convert to fraction form
410,858.80/616,345.80 = 161,482.80/x - Step 3: Cross multiply
410,858.80x = 616,345.80 × 161,482.80 - Step 4: Simplify right side
410,858.80x = 99,529,245,552.24 - Step 5: Solve for x
x = 99,529,245,552.24/410,858.80 - Step 6: Final answer
x = 242,246.84
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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.