Finding the Fourth Proportional to 313,748.07, 432,975.71 and 170,508.14
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Solution
The fourth proportional to 313,748.07, 432,975.71 and 170,508.14 is: 235,303.07
Step by Step Solution
- Step 1: Write the proportion equation
313,748.07 : 432,975.71 = 170,508.14 : x - Step 2: Convert to fraction form
313,748.07/432,975.71 = 170,508.14/x - Step 3: Cross multiply
313,748.07x = 432,975.71 × 170,508.14 - Step 4: Simplify right side
313,748.07x = 73,825,884,485.99 - Step 5: Solve for x
x = 73,825,884,485.99/313,748.07 - Step 6: Final answer
x = 235,303.07
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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.