Finding the Fourth Proportional to 408,401.32, 563,550.67 and 227,083.99
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Solution
The fourth proportional to 408,401.32, 563,550.67 and 227,083.99 is: 313,351.91
Step by Step Solution
- Step 1: Write the proportion equation
408,401.32 : 563,550.67 = 227,083.99 : x - Step 2: Convert to fraction form
408,401.32/563,550.67 = 227,083.99/x - Step 3: Cross multiply
408,401.32x = 563,550.67 × 227,083.99 - Step 4: Simplify right side
408,401.32x = 127,973,334,710.77 - Step 5: Solve for x
x = 127,973,334,710.77/408,401.32 - Step 6: Final answer
x = 313,351.91
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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.