Finding the Fourth Proportional to 185,049.51, 255,408.81 and 117,156.99
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Solution
The fourth proportional to 185,049.51, 255,408.81 and 117,156.99 is: 161,702.28
Step by Step Solution
- Step 1: Write the proportion equation
185,049.51 : 255,408.81 = 117,156.99 : x - Step 2: Convert to fraction form
185,049.51/255,408.81 = 117,156.99/x - Step 3: Cross multiply
185,049.51x = 255,408.81 × 117,156.99 - Step 4: Simplify right side
185,049.51x = 29,922,927,399.08 - Step 5: Solve for x
x = 29,922,927,399.08/185,049.51 - Step 6: Final answer
x = 161,702.28
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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.