Finding the Fourth Proportional to 225,829.74, 311,645.04 and 125,227.74
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Solution
The fourth proportional to 225,829.74, 311,645.04 and 125,227.74 is: 172,814.28
Step by Step Solution
- Step 1: Write the proportion equation
225,829.74 : 311,645.04 = 125,227.74 : x - Step 2: Convert to fraction form
225,829.74/311,645.04 = 125,227.74/x - Step 3: Cross multiply
225,829.74x = 311,645.04 × 125,227.74 - Step 4: Simplify right side
225,829.74x = 39,026,604,041.41 - Step 5: Solve for x
x = 39,026,604,041.41/225,829.74 - Step 6: Final answer
x = 172,814.28
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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.