Finding the Fourth Proportional to 260,950.98, 390,761.99 and 171,934.62
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Solution
The fourth proportional to 260,950.98, 390,761.99 and 171,934.62 is: 257,464.11
Step by Step Solution
- Step 1: Write the proportion equation
260,950.98 : 390,761.99 = 171,934.62 : x - Step 2: Convert to fraction form
260,950.98/390,761.99 = 171,934.62/x - Step 3: Cross multiply
260,950.98x = 390,761.99 × 171,934.62 - Step 4: Simplify right side
260,950.98x = 67,185,512,580.82 - Step 5: Solve for x
x = 67,185,512,580.82/260,950.98 - Step 6: Final answer
x = 257,464.11
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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.