Finding the Fourth Proportional to 408,045.20, 563,010.12 and 246,896.24
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Solution
The fourth proportional to 408,045.20, 563,010.12 and 246,896.24 is: 340,660.99
Step by Step Solution
- Step 1: Write the proportion equation
408,045.20 : 563,010.12 = 246,896.24 : x - Step 2: Convert to fraction form
408,045.20/563,010.12 = 246,896.24/x - Step 3: Cross multiply
408,045.20x = 563,010.12 × 246,896.24 - Step 4: Simplify right side
408,045.20x = 139,005,081,709.95 - Step 5: Solve for x
x = 139,005,081,709.95/408,045.20 - Step 6: Final answer
x = 340,660.99
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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.