Finding the Fourth Proportional to 225,602.96, 311,332.56 and 125,000.96
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Solution
The fourth proportional to 225,602.96, 311,332.56 and 125,000.96 is: 172,501.59
Step by Step Solution
- Step 1: Write the proportion equation
225,602.96 : 311,332.56 = 125,000.96 : x - Step 2: Convert to fraction form
225,602.96/311,332.56 = 125,000.96/x - Step 3: Cross multiply
225,602.96x = 311,332.56 × 125,000.96 - Step 4: Simplify right side
225,602.96x = 38,916,868,879.26 - Step 5: Solve for x
x = 38,916,868,879.26/225,602.96 - Step 6: Final answer
x = 172,501.59
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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.