Finding the Fourth Proportional to 278,698.05, 384,664.68 and 183,213.63
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Solution
The fourth proportional to 278,698.05, 384,664.68 and 183,213.63 is: 252,875.15
Step by Step Solution
- Step 1: Write the proportion equation
278,698.05 : 384,664.68 = 183,213.63 : x - Step 2: Convert to fraction form
278,698.05/384,664.68 = 183,213.63/x - Step 3: Cross multiply
278,698.05x = 384,664.68 × 183,213.63 - Step 4: Simplify right side
278,698.05x = 70,475,812,355.59 - Step 5: Solve for x
x = 70,475,812,355.59/278,698.05 - Step 6: Final answer
x = 252,875.15
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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.