Finding the Fourth Proportional to 174,987.70, 262,611.15 and 115,803.70
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Solution
The fourth proportional to 174,987.70, 262,611.15 and 115,803.70 is: 173,791.32
Step by Step Solution
- Step 1: Write the proportion equation
174,987.70 : 262,611.15 = 115,803.70 : x - Step 2: Convert to fraction form
174,987.70/262,611.15 = 115,803.70/x - Step 3: Cross multiply
174,987.70x = 262,611.15 × 115,803.70 - Step 4: Simplify right side
174,987.70x = 30,411,342,831.26 - Step 5: Solve for x
x = 30,411,342,831.26/174,987.70 - Step 6: Final answer
x = 173,791.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.