Finding the Fourth Proportional to 225,617.68, 311,364.84 and 125,013.52
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Solution
The fourth proportional to 225,617.68, 311,364.84 and 125,013.52 is: 172,525.55
Step by Step Solution
- Step 1: Write the proportion equation
225,617.68 : 311,364.84 = 125,013.52 : x - Step 2: Convert to fraction form
225,617.68/311,364.84 = 125,013.52/x - Step 3: Cross multiply
225,617.68x = 311,364.84 × 125,013.52 - Step 4: Simplify right side
225,617.68x = 38,924,814,652.64 - Step 5: Solve for x
x = 38,924,814,652.64/225,617.68 - Step 6: Final answer
x = 172,525.55
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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.