Finding the Fourth Proportional to 426,468.24, 639,525.53 and 173,577.09
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Solution
The fourth proportional to 426,468.24, 639,525.53 and 173,577.09 is: 260,293.66
Step by Step Solution
- Step 1: Write the proportion equation
426,468.24 : 639,525.53 = 173,577.09 : x - Step 2: Convert to fraction form
426,468.24/639,525.53 = 173,577.09/x - Step 3: Cross multiply
426,468.24x = 639,525.53 × 173,577.09 - Step 4: Simplify right side
426,468.24x = 111,006,979,610.22 - Step 5: Solve for x
x = 111,006,979,610.22/426,468.24 - Step 6: Final answer
x = 260,293.66
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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.