Finding the Fourth Proportional to 408,839.19, 564,192.42 and 227,551.20
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Solution
The fourth proportional to 408,839.19, 564,192.42 and 227,551.20 is: 314,017.50
Step by Step Solution
- Step 1: Write the proportion equation
408,839.19 : 564,192.42 = 227,551.20 : x - Step 2: Convert to fraction form
408,839.19/564,192.42 = 227,551.20/x - Step 3: Cross multiply
408,839.19x = 564,192.42 × 227,551.20 - Step 4: Simplify right side
408,839.19x = 128,382,662,201.90 - Step 5: Solve for x
x = 128,382,662,201.90/408,839.19 - Step 6: Final answer
x = 314,017.50
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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.