Finding the Fourth Proportional to 225,226.74, 310,813.02 and 140,344.14
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Solution
The fourth proportional to 225,226.74, 310,813.02 and 140,344.14 is: 193,674.99
Step by Step Solution
- Step 1: Write the proportion equation
225,226.74 : 310,813.02 = 140,344.14 : x - Step 2: Convert to fraction form
225,226.74/310,813.02 = 140,344.14/x - Step 3: Cross multiply
225,226.74x = 310,813.02 × 140,344.14 - Step 4: Simplify right side
225,226.74x = 43,620,785,992.70 - Step 5: Solve for x
x = 43,620,785,992.70/225,226.74 - Step 6: Final answer
x = 193,674.99
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1.5x scale
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.