Finding the Fourth Proportional to 353,437.40, 530,205.36 and 113,558.58
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Solution
The fourth proportional to 353,437.40, 530,205.36 and 113,558.58 is: 170,353.70
Step by Step Solution
- Step 1: Write the proportion equation
353,437.40 : 530,205.36 = 113,558.58 : x - Step 2: Convert to fraction form
353,437.40/530,205.36 = 113,558.58/x - Step 3: Cross multiply
353,437.40x = 530,205.36 × 113,558.58 - Step 4: Simplify right side
353,437.40x = 60,209,367,789.99 - Step 5: Solve for x
x = 60,209,367,789.99/353,437.40 - Step 6: Final answer
x = 170,353.70
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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.