Finding the Fourth Proportional to 225,603.18, 311,332.40 and 125,001.18
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Solution
The fourth proportional to 225,603.18, 311,332.40 and 125,001.18 is: 172,501.63
Step by Step Solution
- Step 1: Write the proportion equation
225,603.18 : 311,332.40 = 125,001.18 : x - Step 2: Convert to fraction form
225,603.18/311,332.40 = 125,001.18/x - Step 3: Cross multiply
225,603.18x = 311,332.40 × 125,001.18 - Step 4: Simplify right side
225,603.18x = 38,916,917,372.23 - Step 5: Solve for x
x = 38,916,917,372.23/225,603.18 - Step 6: Final answer
x = 172,501.63
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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.