Finding the Fourth Proportional to 225,840.36, 311,655.78 and 125,239.08
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Solution
The fourth proportional to 225,840.36, 311,655.78 and 125,239.08 is: 172,827.76
Step by Step Solution
- Step 1: Write the proportion equation
225,840.36 : 311,655.78 = 125,239.08 : x - Step 2: Convert to fraction form
225,840.36/311,655.78 = 125,239.08/x - Step 3: Cross multiply
225,840.36x = 311,655.78 × 125,239.08 - Step 4: Simplify right side
225,840.36x = 39,031,483,163.88 - Step 5: Solve for x
x = 39,031,483,163.88/225,840.36 - Step 6: Final answer
x = 172,827.76
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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.