Finding the Fourth Proportional to 425,505.70, 587,201.44 and 234,519.58
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Solution
The fourth proportional to 425,505.70, 587,201.44 and 234,519.58 is: 323,638.99
Step by Step Solution
- Step 1: Write the proportion equation
425,505.70 : 587,201.44 = 234,519.58 : x - Step 2: Convert to fraction form
425,505.70/587,201.44 = 234,519.58/x - Step 3: Cross multiply
425,505.70x = 587,201.44 × 234,519.58 - Step 4: Simplify right side
425,505.70x = 137,710,235,084.20 - Step 5: Solve for x
x = 137,710,235,084.20/425,505.70 - Step 6: Final answer
x = 323,638.99
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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.