Finding the Fourth Proportional to 545,152.71, 817,896.57 and 279,099.99
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Solution
The fourth proportional to 545,152.71, 817,896.57 and 279,099.99 is: 418,735.74
Step by Step Solution
- Step 1: Write the proportion equation
545,152.71 : 817,896.57 = 279,099.99 : x - Step 2: Convert to fraction form
545,152.71/817,896.57 = 279,099.99/x - Step 3: Cross multiply
545,152.71x = 817,896.57 × 279,099.99 - Step 4: Simplify right side
545,152.71x = 228,274,924,508.03 - Step 5: Solve for x
x = 228,274,924,508.03/545,152.71 - Step 6: Final answer
x = 418,735.74
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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.