Finding the Fourth Proportional to 817,517.12, 1,226,276.16 and 226,541.12
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Solution
The fourth proportional to 817,517.12, 1,226,276.16 and 226,541.12 is: 339,811.81
Step by Step Solution
- Step 1: Write the proportion equation
817,517.12 : 1,226,276.16 = 226,541.12 : x - Step 2: Convert to fraction form
817,517.12/1,226,276.16 = 226,541.12/x - Step 3: Cross multiply
817,517.12x = 1,226,276.16 × 226,541.12 - Step 4: Simplify right side
817,517.12x = 277,801,974,715.70 - Step 5: Solve for x
x = 277,801,974,715.70/817,517.12 - Step 6: Final answer
x = 339,811.81
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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.