Finding the Fourth Proportional to 272,015.37, 375,273.72 and 157,272.99
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Solution
The fourth proportional to 272,015.37, 375,273.72 and 157,272.99 is: 216,974.58
Step by Step Solution
- Step 1: Write the proportion equation
272,015.37 : 375,273.72 = 157,272.99 : x - Step 2: Convert to fraction form
272,015.37/375,273.72 = 157,272.99/x - Step 3: Cross multiply
272,015.37x = 375,273.72 × 157,272.99 - Step 4: Simplify right side
272,015.37x = 59,020,420,012.82 - Step 5: Solve for x
x = 59,020,420,012.82/272,015.37 - Step 6: Final answer
x = 216,974.58
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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.