Finding the Fourth Proportional to 419,779.14, 579,076.97 and 266,555.18
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Solution
The fourth proportional to 419,779.14, 579,076.97 and 266,555.18 is: 367,707.56
Step by Step Solution
- Step 1: Write the proportion equation
419,779.14 : 579,076.97 = 266,555.18 : x - Step 2: Convert to fraction form
419,779.14/579,076.97 = 266,555.18/x - Step 3: Cross multiply
419,779.14x = 579,076.97 × 266,555.18 - Step 4: Simplify right side
419,779.14x = 154,355,961,744.04 - Step 5: Solve for x
x = 154,355,961,744.04/419,779.14 - Step 6: Final answer
x = 367,707.56
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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.