Finding the Fourth Proportional to 304,313.80, 456,470.70 and 299,129.80
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Solution
The fourth proportional to 304,313.80, 456,470.70 and 299,129.80 is: 448,694.70
Step by Step Solution
- Step 1: Write the proportion equation
304,313.80 : 456,470.70 = 299,129.80 : x - Step 2: Convert to fraction form
304,313.80/456,470.70 = 299,129.80/x - Step 3: Cross multiply
304,313.80x = 456,470.70 × 299,129.80 - Step 4: Simplify right side
304,313.80x = 136,543,989,196.86 - Step 5: Solve for x
x = 136,543,989,196.86/304,313.80 - Step 6: Final answer
x = 448,694.70
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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.