Finding the Fourth Proportional to 259,415.60, 389,094.20 and 69,889.96
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Solution
The fourth proportional to 259,415.60, 389,094.20 and 69,889.96 is: 104,827.07
Step by Step Solution
- Step 1: Write the proportion equation
259,415.60 : 389,094.20 = 69,889.96 : x - Step 2: Convert to fraction form
259,415.60/389,094.20 = 69,889.96/x - Step 3: Cross multiply
259,415.60x = 389,094.20 × 69,889.96 - Step 4: Simplify right side
259,415.60x = 27,193,778,074.23 - Step 5: Solve for x
x = 27,193,778,074.23/259,415.60 - Step 6: Final answer
x = 104,827.07
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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.