Finding the Fourth Proportional to 265,202.73, 365,987.52 and 144,351.81
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Solution
The fourth proportional to 265,202.73, 365,987.52 and 144,351.81 is: 199,209.72
Step by Step Solution
- Step 1: Write the proportion equation
265,202.73 : 365,987.52 = 144,351.81 : x - Step 2: Convert to fraction form
265,202.73/365,987.52 = 144,351.81/x - Step 3: Cross multiply
265,202.73x = 365,987.52 × 144,351.81 - Step 4: Simplify right side
265,202.73x = 52,830,960,949.41 - Step 5: Solve for x
x = 52,830,960,949.41/265,202.73 - Step 6: Final answer
x = 199,209.72
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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.