Finding the Fourth Proportional to 254,277.31, 350,907.14 and 139,566.68
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Solution
The fourth proportional to 254,277.31, 350,907.14 and 139,566.68 is: 192,604.46
Step by Step Solution
- Step 1: Write the proportion equation
254,277.31 : 350,907.14 = 139,566.68 : x - Step 2: Convert to fraction form
254,277.31/350,907.14 = 139,566.68/x - Step 3: Cross multiply
254,277.31x = 350,907.14 × 139,566.68 - Step 4: Simplify right side
254,277.31x = 48,974,944,518.10 - Step 5: Solve for x
x = 48,974,944,518.10/254,277.31 - Step 6: Final answer
x = 192,604.46
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1.5x scale
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.