Finding the Fourth Proportional to 257,039.05, 354,533.58 and 179,385.06
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Solution
The fourth proportional to 257,039.05, 354,533.58 and 179,385.06 is: 247,425.55
Step by Step Solution
- Step 1: Write the proportion equation
257,039.05 : 354,533.58 = 179,385.06 : x - Step 2: Convert to fraction form
257,039.05/354,533.58 = 179,385.06/x - Step 3: Cross multiply
257,039.05x = 354,533.58 × 179,385.06 - Step 4: Simplify right side
257,039.05x = 63,598,027,520.31 - Step 5: Solve for x
x = 63,598,027,520.31/257,039.05 - Step 6: Final answer
x = 247,425.55
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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.