Finding the Fourth Proportional to 353,592.84, 530,406.74 and 100,910.58
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Solution
The fourth proportional to 353,592.84, 530,406.74 and 100,910.58 is: 151,370.86
Step by Step Solution
- Step 1: Write the proportion equation
353,592.84 : 530,406.74 = 100,910.58 : x - Step 2: Convert to fraction form
353,592.84/530,406.74 = 100,910.58/x - Step 3: Cross multiply
353,592.84x = 530,406.74 × 100,910.58 - Step 4: Simplify right side
353,592.84x = 53,523,651,769.31 - Step 5: Solve for x
x = 53,523,651,769.31/353,592.84 - Step 6: Final answer
x = 151,370.86
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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.