Finding the Fourth Proportional to 304,960.68, 420,806.34 and 170,824.68
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Solution
The fourth proportional to 304,960.68, 420,806.34 and 170,824.68 is: 235,715.99
Step by Step Solution
- Step 1: Write the proportion equation
304,960.68 : 420,806.34 = 170,824.68 : x - Step 2: Convert to fraction form
304,960.68/420,806.34 = 170,824.68/x - Step 3: Cross multiply
304,960.68x = 420,806.34 × 170,824.68 - Step 4: Simplify right side
304,960.68x = 71,884,108,372.47 - Step 5: Solve for x
x = 71,884,108,372.47/304,960.68 - Step 6: Final answer
x = 235,715.99
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1.5x scale
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.