Finding the Fourth Proportional to 524,629.68, 787,021.80 and 169,525.68
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Solution
The fourth proportional to 524,629.68, 787,021.80 and 169,525.68 is: 254,313.49
Step by Step Solution
- Step 1: Write the proportion equation
524,629.68 : 787,021.80 = 169,525.68 : x - Step 2: Convert to fraction form
524,629.68/787,021.80 = 169,525.68/x - Step 3: Cross multiply
524,629.68x = 787,021.80 × 169,525.68 - Step 4: Simplify right side
524,629.68x = 133,420,405,819.82 - Step 5: Solve for x
x = 133,420,405,819.82/524,629.68 - Step 6: Final answer
x = 254,313.49
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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.