Finding the Fourth Proportional to 86,911.08, 130,267.24 and 36,917.88
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Solution
The fourth proportional to 86,911.08, 130,267.24 and 36,917.88 is: 55,334.61
Step by Step Solution
- Step 1: Write the proportion equation
86,911.08 : 130,267.24 = 36,917.88 : x - Step 2: Convert to fraction form
86,911.08/130,267.24 = 36,917.88/x - Step 3: Cross multiply
86,911.08x = 130,267.24 × 36,917.88 - Step 4: Simplify right side
86,911.08x = 4,809,190,334.25 - Step 5: Solve for x
x = 4,809,190,334.25/86,911.08 - Step 6: Final answer
x = 55,334.61
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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.