Finding the Fourth Proportional to 427,393.23, 640,523.57 and 227,282.73
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Solution
The fourth proportional to 427,393.23, 640,523.57 and 227,282.73 is: 340,622.95
Step by Step Solution
- Step 1: Write the proportion equation
427,393.23 : 640,523.57 = 227,282.73 : x - Step 2: Convert to fraction form
427,393.23/640,523.57 = 227,282.73/x - Step 3: Cross multiply
427,393.23x = 640,523.57 × 227,282.73 - Step 4: Simplify right side
427,393.23x = 145,579,944,482.53 - Step 5: Solve for x
x = 145,579,944,482.53/427,393.23 - Step 6: Final answer
x = 340,622.95
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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.