Finding the Fourth Proportional to 278,376.26, 417,564.19 and 159,972.08
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Solution
The fourth proportional to 278,376.26, 417,564.19 and 159,972.08 is: 239,958.00
Step by Step Solution
- Step 1: Write the proportion equation
278,376.26 : 417,564.19 = 159,972.08 : x - Step 2: Convert to fraction form
278,376.26/417,564.19 = 159,972.08/x - Step 3: Cross multiply
278,376.26x = 417,564.19 × 159,972.08 - Step 4: Simplify right side
278,376.26x = 66,798,611,207.95 - Step 5: Solve for x
x = 66,798,611,207.95/278,376.26 - Step 6: Final answer
x = 239,958.00
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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.