Finding the Fourth Proportional to 180,648.20, 249,309.83 and 100,100.99
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Solution
The fourth proportional to 180,648.20, 249,309.83 and 100,100.99 is: 138,147.85
Step by Step Solution
- Step 1: Write the proportion equation
180,648.20 : 249,309.83 = 100,100.99 : x - Step 2: Convert to fraction form
180,648.20/249,309.83 = 100,100.99/x - Step 3: Cross multiply
180,648.20x = 249,309.83 × 100,100.99 - Step 4: Simplify right side
180,648.20x = 24,956,160,799.73 - Step 5: Solve for x
x = 24,956,160,799.73/180,648.20 - Step 6: Final answer
x = 138,147.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.