Finding the Fourth Proportional to 148,276.68, 204,621.90 and 80,293.68
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Solution
The fourth proportional to 148,276.68, 204,621.90 and 80,293.68 is: 110,805.32
Step by Step Solution
- Step 1: Write the proportion equation
148,276.68 : 204,621.90 = 80,293.68 : x - Step 2: Convert to fraction form
148,276.68/204,621.90 = 80,293.68/x - Step 3: Cross multiply
148,276.68x = 204,621.90 × 80,293.68 - Step 4: Simplify right side
148,276.68x = 16,429,845,359.59 - Step 5: Solve for x
x = 16,429,845,359.59/148,276.68 - Step 6: Final answer
x = 110,805.32
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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.