Finding the Fourth Proportional to 249,711.66, 374,556.56 and 72,214.74
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Solution
The fourth proportional to 249,711.66, 374,556.56 and 72,214.74 is: 108,318.95
Step by Step Solution
- Step 1: Write the proportion equation
249,711.66 : 374,556.56 = 72,214.74 : x - Step 2: Convert to fraction form
249,711.66/374,556.56 = 72,214.74/x - Step 3: Cross multiply
249,711.66x = 374,556.56 × 72,214.74 - Step 4: Simplify right side
249,711.66x = 27,048,504,234.62 - Step 5: Solve for x
x = 27,048,504,234.62/249,711.66 - Step 6: Final answer
x = 108,318.95
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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.