Finding the Fourth Proportional to 225,607.36, 338,421.08 and 125,691.84
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Solution
The fourth proportional to 225,607.36, 338,421.08 and 125,691.84 is: 188,543.35
Step by Step Solution
- Step 1: Write the proportion equation
225,607.36 : 338,421.08 = 125,691.84 : x - Step 2: Convert to fraction form
225,607.36/338,421.08 = 125,691.84/x - Step 3: Cross multiply
225,607.36x = 338,421.08 × 125,691.84 - Step 4: Simplify right side
225,607.36x = 42,536,768,239.99 - Step 5: Solve for x
x = 42,536,768,239.99/225,607.36 - Step 6: Final answer
x = 188,543.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.