Finding the Fourth Proportional to 413,643.99, 620,392.05 and 110,039.79
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Solution
The fourth proportional to 413,643.99, 620,392.05 and 110,039.79 is: 165,040.02
Step by Step Solution
- Step 1: Write the proportion equation
413,643.99 : 620,392.05 = 110,039.79 : x - Step 2: Convert to fraction form
413,643.99/620,392.05 = 110,039.79/x - Step 3: Cross multiply
413,643.99x = 620,392.05 × 110,039.79 - Step 4: Simplify right side
413,643.99x = 68,267,810,899.67 - Step 5: Solve for x
x = 68,267,810,899.67/413,643.99 - Step 6: Final answer
x = 165,040.02
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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.