Finding the Fourth Proportional to 313,209.23, 432,229.02 and 169,969.28
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Solution
The fourth proportional to 313,209.23, 432,229.02 and 169,969.28 is: 234,557.75
Step by Step Solution
- Step 1: Write the proportion equation
313,209.23 : 432,229.02 = 169,969.28 : x - Step 2: Convert to fraction form
313,209.23/432,229.02 = 169,969.28/x - Step 3: Cross multiply
313,209.23x = 432,229.02 × 169,969.28 - Step 4: Simplify right side
313,209.23x = 73,465,653,163.36 - Step 5: Solve for x
x = 73,465,653,163.36/313,209.23 - Step 6: Final answer
x = 234,557.75
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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.