Finding the Fourth Proportional to 328,312.01, 452,993.41 and 199,247.63
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Solution
The fourth proportional to 328,312.01, 452,993.41 and 199,247.63 is: 274,914.89
Step by Step Solution
- Step 1: Write the proportion equation
328,312.01 : 452,993.41 = 199,247.63 : x - Step 2: Convert to fraction form
328,312.01/452,993.41 = 199,247.63/x - Step 3: Cross multiply
328,312.01x = 452,993.41 × 199,247.63 - Step 4: Simplify right side
328,312.01x = 90,257,861,332.21 - Step 5: Solve for x
x = 90,257,861,332.21/328,312.01 - Step 6: Final answer
x = 274,914.89
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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.