Finding the Fourth Proportional to 110,291.80, 165,437.70 and 43,747.80
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Solution
The fourth proportional to 110,291.80, 165,437.70 and 43,747.80 is: 65,621.70
Step by Step Solution
- Step 1: Write the proportion equation
110,291.80 : 165,437.70 = 43,747.80 : x - Step 2: Convert to fraction form
110,291.80/165,437.70 = 43,747.80/x - Step 3: Cross multiply
110,291.80x = 165,437.70 × 43,747.80 - Step 4: Simplify right side
110,291.80x = 7,237,535,412.06 - Step 5: Solve for x
x = 7,237,535,412.06/110,291.80 - Step 6: Final answer
x = 65,621.70
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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.