Finding the Fourth Proportional to 317,634.33, 438,210.36 and 181,595.19
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Solution
The fourth proportional to 317,634.33, 438,210.36 and 181,595.19 is: 250,529.89
Step by Step Solution
- Step 1: Write the proportion equation
317,634.33 : 438,210.36 = 181,595.19 : x - Step 2: Convert to fraction form
317,634.33/438,210.36 = 181,595.19/x - Step 3: Cross multiply
317,634.33x = 438,210.36 × 181,595.19 - Step 4: Simplify right side
317,634.33x = 79,576,893,584.17 - Step 5: Solve for x
x = 79,576,893,584.17/317,634.33 - Step 6: Final answer
x = 250,529.89
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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.