Finding the Fourth Proportional to 239,893.84, 360,060.24 and 121,646.80
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Solution
The fourth proportional to 239,893.84, 360,060.24 and 121,646.80 is: 182,581.50
Step by Step Solution
- Step 1: Write the proportion equation
239,893.84 : 360,060.24 = 121,646.80 : x - Step 2: Convert to fraction form
239,893.84/360,060.24 = 121,646.80/x - Step 3: Cross multiply
239,893.84x = 360,060.24 × 121,646.80 - Step 4: Simplify right side
239,893.84x = 43,800,176,003.23 - Step 5: Solve for x
x = 43,800,176,003.23/239,893.84 - Step 6: Final answer
x = 182,581.50
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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.