Finding the Fourth Proportional to 545,150.71, 817,893.57 and 279,097.99
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Solution
The fourth proportional to 545,150.71, 817,893.57 and 279,097.99 is: 418,732.74
Step by Step Solution
- Step 1: Write the proportion equation
545,150.71 : 817,893.57 = 279,097.99 : x - Step 2: Convert to fraction form
545,150.71/817,893.57 = 279,097.99/x - Step 3: Cross multiply
545,150.71x = 817,893.57 × 279,097.99 - Step 4: Simplify right side
545,150.71x = 228,272,451,420.92 - Step 5: Solve for x
x = 228,272,451,420.92/545,150.71 - Step 6: Final answer
x = 418,732.74
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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.