Finding the Fourth Proportional to 272,133.15, 375,400.22 and 161,688.84
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Solution
The fourth proportional to 272,133.15, 375,400.22 and 161,688.84 is: 223,045.32
Step by Step Solution
- Step 1: Write the proportion equation
272,133.15 : 375,400.22 = 161,688.84 : x - Step 2: Convert to fraction form
272,133.15/375,400.22 = 161,688.84/x - Step 3: Cross multiply
272,133.15x = 375,400.22 × 161,688.84 - Step 4: Simplify right side
272,133.15x = 60,698,025,299.10 - Step 5: Solve for x
x = 60,698,025,299.10/272,133.15 - Step 6: Final answer
x = 223,045.32
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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.