Finding the Fourth Proportional to 264,403.24, 396,455.81 and 86,862.58
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Solution
The fourth proportional to 264,403.24, 396,455.81 and 86,862.58 is: 130,244.90
Step by Step Solution
- Step 1: Write the proportion equation
264,403.24 : 396,455.81 = 86,862.58 : x - Step 2: Convert to fraction form
264,403.24/396,455.81 = 86,862.58/x - Step 3: Cross multiply
264,403.24x = 396,455.81 × 86,862.58 - Step 4: Simplify right side
264,403.24x = 34,437,172,530.31 - Step 5: Solve for x
x = 34,437,172,530.31/264,403.24 - Step 6: Final answer
x = 130,244.90
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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.