Finding the Fourth Proportional to 803,538.99, 1,205,273.93 and 242,556.75
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Solution
The fourth proportional to 803,538.99, 1,205,273.93 and 242,556.75 is: 363,824.69
Step by Step Solution
- Step 1: Write the proportion equation
803,538.99 : 1,205,273.93 = 242,556.75 : x - Step 2: Convert to fraction form
803,538.99/1,205,273.93 = 242,556.75/x - Step 3: Cross multiply
803,538.99x = 1,205,273.93 × 242,556.75 - Step 4: Simplify right side
803,538.99x = 292,347,326,107.74 - Step 5: Solve for x
x = 292,347,326,107.74/803,538.99 - Step 6: Final answer
x = 363,824.69
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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.