Finding the Fourth Proportional to 313,405.74, 432,508.68 and 170,174.52
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Solution
The fourth proportional to 313,405.74, 432,508.68 and 170,174.52 is: 234,845.59
Step by Step Solution
- Step 1: Write the proportion equation
313,405.74 : 432,508.68 = 170,174.52 : x - Step 2: Convert to fraction form
313,405.74/432,508.68 = 170,174.52/x - Step 3: Cross multiply
313,405.74x = 432,508.68 × 170,174.52 - Step 4: Simplify right side
313,405.74x = 73,601,957,014.83 - Step 5: Solve for x
x = 73,601,957,014.83/313,405.74 - Step 6: Final answer
x = 234,845.59
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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.