Finding the Fourth Proportional to 264,519.95, 396,726.86 and 129,525.87
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Solution
The fourth proportional to 264,519.95, 396,726.86 and 129,525.87 is: 194,262.82
Step by Step Solution
- Step 1: Write the proportion equation
264,519.95 : 396,726.86 = 129,525.87 : x - Step 2: Convert to fraction form
264,519.95/396,726.86 = 129,525.87/x - Step 3: Cross multiply
264,519.95x = 396,726.86 × 129,525.87 - Step 4: Simplify right side
264,519.95x = 51,386,391,693.87 - Step 5: Solve for x
x = 51,386,391,693.87/264,519.95 - Step 6: Final answer
x = 194,262.82
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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.