Finding the Fourth Proportional to 408,862.08, 564,225.36 and 227,571.12
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Solution
The fourth proportional to 408,862.08, 564,225.36 and 227,571.12 is: 314,045.75
Step by Step Solution
- Step 1: Write the proportion equation
408,862.08 : 564,225.36 = 227,571.12 : x - Step 2: Convert to fraction form
408,862.08/564,225.36 = 227,571.12/x - Step 3: Cross multiply
408,862.08x = 564,225.36 × 227,571.12 - Step 4: Simplify right side
408,862.08x = 128,401,397,107.60 - Step 5: Solve for x
x = 128,401,397,107.60/408,862.08 - Step 6: Final answer
x = 314,045.75
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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.