Finding the Fourth Proportional to 110,252.90, 165,434.02 and 43,691.55
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Solution
The fourth proportional to 110,252.90, 165,434.02 and 43,691.55 is: 65,558.99
Step by Step Solution
- Step 1: Write the proportion equation
110,252.90 : 165,434.02 = 43,691.55 : x - Step 2: Convert to fraction form
110,252.90/165,434.02 = 43,691.55/x - Step 3: Cross multiply
110,252.90x = 165,434.02 × 43,691.55 - Step 4: Simplify right side
110,252.90x = 7,228,068,538.07 - Step 5: Solve for x
x = 7,228,068,538.07/110,252.90 - Step 6: Final answer
x = 65,558.99
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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.