Finding the Fourth Proportional to 255,539.91, 352,652.36 and 142,369.95
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Solution
The fourth proportional to 255,539.91, 352,652.36 and 142,369.95 is: 196,474.59
Step by Step Solution
- Step 1: Write the proportion equation
255,539.91 : 352,652.36 = 142,369.95 : x - Step 2: Convert to fraction form
255,539.91/352,652.36 = 142,369.95/x - Step 3: Cross multiply
255,539.91x = 352,652.36 × 142,369.95 - Step 4: Simplify right side
255,539.91x = 50,207,098,860.58 - Step 5: Solve for x
x = 50,207,098,860.58/255,539.91 - Step 6: Final answer
x = 196,474.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.