Finding the Fourth Proportional to 227,257.18, 340,885.76 and 69,485.62
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Solution
The fourth proportional to 227,257.18, 340,885.76 and 69,485.62 is: 104,228.43
Step by Step Solution
- Step 1: Write the proportion equation
227,257.18 : 340,885.76 = 69,485.62 : x - Step 2: Convert to fraction form
227,257.18/340,885.76 = 69,485.62/x - Step 3: Cross multiply
227,257.18x = 340,885.76 × 69,485.62 - Step 4: Simplify right side
227,257.18x = 23,686,658,382.77 - Step 5: Solve for x
x = 23,686,658,382.77/227,257.18 - Step 6: Final answer
x = 104,228.43
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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.