Finding the Fourth Proportional to 225,878.63, 311,712.71 and 125,276.63
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Solution
The fourth proportional to 225,878.63, 311,712.71 and 125,276.63 is: 172,881.85
Step by Step Solution
- Step 1: Write the proportion equation
225,878.63 : 311,712.71 = 125,276.63 : x - Step 2: Convert to fraction form
225,878.63/311,712.71 = 125,276.63/x - Step 3: Cross multiply
225,878.63x = 311,712.71 × 125,276.63 - Step 4: Simplify right side
225,878.63x = 39,050,315,652.02 - Step 5: Solve for x
x = 39,050,315,652.02/225,878.63 - Step 6: Final answer
x = 172,881.85
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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.