Finding the Fourth Proportional to 292,201.74, 438,315.12 and 114,747.14
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Solution
The fourth proportional to 292,201.74, 438,315.12 and 114,747.14 is: 172,125.62
Step by Step Solution
- Step 1: Write the proportion equation
292,201.74 : 438,315.12 = 114,747.14 : x - Step 2: Convert to fraction form
292,201.74/438,315.12 = 114,747.14/x - Step 3: Cross multiply
292,201.74x = 438,315.12 × 114,747.14 - Step 4: Simplify right side
292,201.74x = 50,295,406,438.76 - Step 5: Solve for x
x = 50,295,406,438.76/292,201.74 - Step 6: Final answer
x = 172,125.62
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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.