Finding the Fourth Proportional to 505,859.19, 759,314.35 and 338,548.68
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Solution
The fourth proportional to 505,859.19, 759,314.35 and 338,548.68 is: 508,174.76
Step by Step Solution
- Step 1: Write the proportion equation
505,859.19 : 759,314.35 = 338,548.68 : x - Step 2: Convert to fraction form
505,859.19/759,314.35 = 338,548.68/x - Step 3: Cross multiply
505,859.19x = 759,314.35 × 338,548.68 - Step 4: Simplify right side
505,859.19x = 257,064,870,051.19 - Step 5: Solve for x
x = 257,064,870,051.19/505,859.19 - Step 6: Final answer
x = 508,174.76
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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.