Finding the Fourth Proportional to 416,803.02, 575,188.74 and 225,816.41
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Solution
The fourth proportional to 416,803.02, 575,188.74 and 225,816.41 is: 311,626.96
Step by Step Solution
- Step 1: Write the proportion equation
416,803.02 : 575,188.74 = 225,816.41 : x - Step 2: Convert to fraction form
416,803.02/575,188.74 = 225,816.41/x - Step 3: Cross multiply
416,803.02x = 575,188.74 × 225,816.41 - Step 4: Simplify right side
416,803.02x = 129,887,056,339.22 - Step 5: Solve for x
x = 129,887,056,339.22/416,803.02 - Step 6: Final answer
x = 311,626.96
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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.