Finding the Fourth Proportional to 427,622.11, 590,118.74 and 234,029.70
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Solution
The fourth proportional to 427,622.11, 590,118.74 and 234,029.70 is: 322,961.11
Step by Step Solution
- Step 1: Write the proportion equation
427,622.11 : 590,118.74 = 234,029.70 : x - Step 2: Convert to fraction form
427,622.11/590,118.74 = 234,029.70/x - Step 3: Cross multiply
427,622.11x = 590,118.74 × 234,029.70 - Step 4: Simplify right side
427,622.11x = 138,105,311,622.90 - Step 5: Solve for x
x = 138,105,311,622.90/427,622.11 - Step 6: Final answer
x = 322,961.11
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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.