Finding the Fourth Proportional to 110,603.08, 165,921.36 and 40,465.72
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Solution
The fourth proportional to 110,603.08, 165,921.36 and 40,465.72 is: 60,704.70
Step by Step Solution
- Step 1: Write the proportion equation
110,603.08 : 165,921.36 = 40,465.72 : x - Step 2: Convert to fraction form
110,603.08/165,921.36 = 40,465.72/x - Step 3: Cross multiply
110,603.08x = 165,921.36 × 40,465.72 - Step 4: Simplify right side
110,603.08x = 6,714,127,295.78 - Step 5: Solve for x
x = 6,714,127,295.78/110,603.08 - Step 6: Final answer
x = 60,704.70
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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.