Finding the Fourth Proportional to 509,149.43, 702,548.10 and 294,247.99
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Solution
The fourth proportional to 509,149.43, 702,548.10 and 294,247.99 is: 406,017.08
Step by Step Solution
- Step 1: Write the proportion equation
509,149.43 : 702,548.10 = 294,247.99 : x - Step 2: Convert to fraction form
509,149.43/702,548.10 = 294,247.99/x - Step 3: Cross multiply
509,149.43x = 702,548.10 × 294,247.99 - Step 4: Simplify right side
509,149.43x = 206,723,364,546.95 - Step 5: Solve for x
x = 206,723,364,546.95/509,149.43 - Step 6: Final answer
x = 406,017.08
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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.