Finding the Fourth Proportional to 432,687.18, 649,263.12 and 180,141.99
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Solution
The fourth proportional to 432,687.18, 649,263.12 and 180,141.99 is: 270,309.72
Step by Step Solution
- Step 1: Write the proportion equation
432,687.18 : 649,263.12 = 180,141.99 : x - Step 2: Convert to fraction form
432,687.18/649,263.12 = 180,141.99/x - Step 3: Cross multiply
432,687.18x = 649,263.12 × 180,141.99 - Step 4: Simplify right side
432,687.18x = 116,959,550,470.41 - Step 5: Solve for x
x = 116,959,550,470.41/432,687.18 - Step 6: Final answer
x = 270,309.72
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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.