Finding the Fourth Proportional to 339,811.24, 469,010.86 and 215,551.84
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Solution
The fourth proportional to 339,811.24, 469,010.86 and 215,551.84 is: 297,506.80
Step by Step Solution
- Step 1: Write the proportion equation
339,811.24 : 469,010.86 = 215,551.84 : x - Step 2: Convert to fraction form
339,811.24/469,010.86 = 215,551.84/x - Step 3: Cross multiply
339,811.24x = 469,010.86 × 215,551.84 - Step 4: Simplify right side
339,811.24x = 101,096,151,507.93 - Step 5: Solve for x
x = 101,096,151,507.93/339,811.24 - Step 6: Final answer
x = 297,506.80
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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.