Finding the Fourth Proportional to 310,195.52, 465,691.74 and 239,163.29
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Solution
The fourth proportional to 310,195.52, 465,691.74 and 239,163.29 is: 359,052.15
Step by Step Solution
- Step 1: Write the proportion equation
310,195.52 : 465,691.74 = 239,163.29 : x - Step 2: Convert to fraction form
310,195.52/465,691.74 = 239,163.29/x - Step 3: Cross multiply
310,195.52x = 465,691.74 × 239,163.29 - Step 4: Simplify right side
310,195.52x = 111,376,368,664.23 - Step 5: Solve for x
x = 111,376,368,664.23/310,195.52 - Step 6: Final answer
x = 359,052.15
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1.5x scale
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.