Finding the Fourth Proportional to 110,437.20, 165,655.80 and 110,437.20
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Solution
The fourth proportional to 110,437.20, 165,655.80 and 110,437.20 is: 165,655.80
Step by Step Solution
- Step 1: Write the proportion equation
110,437.20 : 165,655.80 = 110,437.20 : x - Step 2: Convert to fraction form
110,437.20/165,655.80 = 110,437.20/x - Step 3: Cross multiply
110,437.20x = 165,655.80 × 110,437.20 - Step 4: Simplify right side
110,437.20x = 18,294,562,715.76 - Step 5: Solve for x
x = 18,294,562,715.76/110,437.20 - Step 6: Final answer
x = 165,655.80
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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.