Finding the Fourth Proportional to 377,733.12, 566,599.68 and 128,415.12
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Solution
The fourth proportional to 377,733.12, 566,599.68 and 128,415.12 is: 192,622.68
Step by Step Solution
- Step 1: Write the proportion equation
377,733.12 : 566,599.68 = 128,415.12 : x - Step 2: Convert to fraction form
377,733.12/566,599.68 = 128,415.12/x - Step 3: Cross multiply
377,733.12x = 566,599.68 × 128,415.12 - Step 4: Simplify right side
377,733.12x = 72,759,965,899.16 - Step 5: Solve for x
x = 72,759,965,899.16/377,733.12 - Step 6: Final answer
x = 192,622.68
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1.5x scale
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.