Finding the Fourth Proportional to 756,576.12, 1,135,030.14 and 224,138.76
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Solution
The fourth proportional to 756,576.12, 1,135,030.14 and 224,138.76 is: 336,257.31
Step by Step Solution
- Step 1: Write the proportion equation
756,576.12 : 1,135,030.14 = 224,138.76 : x - Step 2: Convert to fraction form
756,576.12/1,135,030.14 = 224,138.76/x - Step 3: Cross multiply
756,576.12x = 1,135,030.14 × 224,138.76 - Step 4: Simplify right side
756,576.12x = 254,404,248,142.23 - Step 5: Solve for x
x = 254,404,248,142.23/756,576.12 - Step 6: Final answer
x = 336,257.31
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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.