Finding the Fourth Proportional to 239,226.08, 329,986.00 and 142,364.99
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Solution
The fourth proportional to 239,226.08, 329,986.00 and 142,364.99 is: 196,376.81
Step by Step Solution
- Step 1: Write the proportion equation
239,226.08 : 329,986.00 = 142,364.99 : x - Step 2: Convert to fraction form
239,226.08/329,986.00 = 142,364.99/x - Step 3: Cross multiply
239,226.08x = 329,986.00 × 142,364.99 - Step 4: Simplify right side
239,226.08x = 46,978,454,593.06 - Step 5: Solve for x
x = 46,978,454,593.06/239,226.08 - Step 6: Final answer
x = 196,376.81
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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.