Finding the Fourth Proportional to 225,852.86, 311,702.99 and 135,208.77
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Solution
The fourth proportional to 225,852.86, 311,702.99 and 135,208.77 is: 186,603.69
Step by Step Solution
- Step 1: Write the proportion equation
225,852.86 : 311,702.99 = 135,208.77 : x - Step 2: Convert to fraction form
225,852.86/311,702.99 = 135,208.77/x - Step 3: Cross multiply
225,852.86x = 311,702.99 × 135,208.77 - Step 4: Simplify right side
225,852.86x = 42,144,977,207.18 - Step 5: Solve for x
x = 42,144,977,207.18/225,852.86 - Step 6: Final answer
x = 186,603.69
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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.