Finding the Fourth Proportional to 255,789.16, 383,567.10 and 122,732.08
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Solution
The fourth proportional to 255,789.16, 383,567.10 and 122,732.08 is: 184,042.15
Step by Step Solution
- Step 1: Write the proportion equation
255,789.16 : 383,567.10 = 122,732.08 : x - Step 2: Convert to fraction form
255,789.16/383,567.10 = 122,732.08/x - Step 3: Cross multiply
255,789.16x = 383,567.10 × 122,732.08 - Step 4: Simplify right side
255,789.16x = 47,075,986,583.41 - Step 5: Solve for x
x = 47,075,986,583.41/255,789.16 - Step 6: Final answer
x = 184,042.15
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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.