Finding the Fourth Proportional to 239,334.60, 330,283.98 and 131,908.52
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Solution
The fourth proportional to 239,334.60, 330,283.98 and 131,908.52 is: 182,034.99
Step by Step Solution
- Step 1: Write the proportion equation
239,334.60 : 330,283.98 = 131,908.52 : x - Step 2: Convert to fraction form
239,334.60/330,283.98 = 131,908.52/x - Step 3: Cross multiply
239,334.60x = 330,283.98 × 131,908.52 - Step 4: Simplify right side
239,334.60x = 43,567,270,981.51 - Step 5: Solve for x
x = 43,567,270,981.51/239,334.60 - Step 6: Final answer
x = 182,034.99
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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.