Finding the Fourth Proportional to 264,501.74, 396,699.57 and 129,507.65
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Solution
The fourth proportional to 264,501.74, 396,699.57 and 129,507.65 is: 194,235.50
Step by Step Solution
- Step 1: Write the proportion equation
264,501.74 : 396,699.57 = 129,507.65 : x - Step 2: Convert to fraction form
264,501.74/396,699.57 = 129,507.65/x - Step 3: Cross multiply
264,501.74x = 396,699.57 × 129,507.65 - Step 4: Simplify right side
264,501.74x = 51,375,628,085.18 - Step 5: Solve for x
x = 51,375,628,085.18/264,501.74 - Step 6: Final answer
x = 194,235.50
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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.