Finding the Fourth Proportional to 239,339.84, 330,274.08 and 131,903.84
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Solution
The fourth proportional to 239,339.84, 330,274.08 and 131,903.84 is: 182,019.09
Step by Step Solution
- Step 1: Write the proportion equation
239,339.84 : 330,274.08 = 131,903.84 : x - Step 2: Convert to fraction form
239,339.84/330,274.08 = 131,903.84/x - Step 3: Cross multiply
239,339.84x = 330,274.08 × 131,903.84 - Step 4: Simplify right side
239,339.84x = 43,564,419,404.47 - Step 5: Solve for x
x = 43,564,419,404.47/239,339.84 - Step 6: Final answer
x = 182,019.09
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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.