Finding the Fourth Proportional to 83,455.16, 125,231.93 and 30,901.55
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Solution
The fourth proportional to 83,455.16, 125,231.93 and 30,901.55 is: 46,370.54
Step by Step Solution
- Step 1: Write the proportion equation
83,455.16 : 125,231.93 = 30,901.55 : x - Step 2: Convert to fraction form
83,455.16/125,231.93 = 30,901.55/x - Step 3: Cross multiply
83,455.16x = 125,231.93 × 30,901.55 - Step 4: Simplify right side
83,455.16x = 3,869,860,197.59 - Step 5: Solve for x
x = 3,869,860,197.59/83,455.16 - Step 6: Final answer
x = 46,370.54
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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.