Finding the Fourth Proportional to 149,038.63, 205,726.13 and 88,608.99
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Solution
The fourth proportional to 149,038.63, 205,726.13 and 88,608.99 is: 122,311.80
Step by Step Solution
- Step 1: Write the proportion equation
149,038.63 : 205,726.13 = 88,608.99 : x - Step 2: Convert to fraction form
149,038.63/205,726.13 = 88,608.99/x - Step 3: Cross multiply
149,038.63x = 205,726.13 × 88,608.99 - Step 4: Simplify right side
149,038.63x = 18,229,184,099.41 - Step 5: Solve for x
x = 18,229,184,099.41/149,038.63 - Step 6: Final answer
x = 122,311.80
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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.