Finding the Fourth Proportional to 756,689.06, 1,135,199.64 and 224,251.76
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Solution
The fourth proportional to 756,689.06, 1,135,199.64 and 224,251.76 is: 336,426.85
Step by Step Solution
- Step 1: Write the proportion equation
756,689.06 : 1,135,199.64 = 224,251.76 : x - Step 2: Convert to fraction form
756,689.06/1,135,199.64 = 224,251.76/x - Step 3: Cross multiply
756,689.06x = 1,135,199.64 × 224,251.76 - Step 4: Simplify right side
756,689.06x = 254,570,517,221.37 - Step 5: Solve for x
x = 254,570,517,221.37/756,689.06 - Step 6: Final answer
x = 336,426.85
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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.