Finding the Fourth Proportional to 410,232.23, 615,420.57 and 140,296.91
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Solution
The fourth proportional to 410,232.23, 615,420.57 and 140,296.91 is: 210,470.07
Step by Step Solution
- Step 1: Write the proportion equation
410,232.23 : 615,420.57 = 140,296.91 : x - Step 2: Convert to fraction form
410,232.23/615,420.57 = 140,296.91/x - Step 3: Cross multiply
410,232.23x = 615,420.57 × 140,296.91 - Step 4: Simplify right side
410,232.23x = 86,341,604,321.44 - Step 5: Solve for x
x = 86,341,604,321.44/410,232.23 - Step 6: Final answer
x = 210,470.07
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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.