Finding the Fourth Proportional to 110,448.30, 165,672.45 and 97,763.70
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Solution
The fourth proportional to 110,448.30, 165,672.45 and 97,763.70 is: 146,645.55
Step by Step Solution
- Step 1: Write the proportion equation
110,448.30 : 165,672.45 = 97,763.70 : x - Step 2: Convert to fraction form
110,448.30/165,672.45 = 97,763.70/x - Step 3: Cross multiply
110,448.30x = 165,672.45 × 97,763.70 - Step 4: Simplify right side
110,448.30x = 16,196,751,700.07 - Step 5: Solve for x
x = 16,196,751,700.07/110,448.30 - Step 6: Final answer
x = 146,645.55
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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.