Finding the Fourth Proportional to 372,576.10, 555,765.14 and 336,702.82
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Solution
The fourth proportional to 372,576.10, 555,765.14 and 336,702.82 is: 502,253.61
Step by Step Solution
- Step 1: Write the proportion equation
372,576.10 : 555,765.14 = 336,702.82 : x - Step 2: Convert to fraction form
372,576.10/555,765.14 = 336,702.82/x - Step 3: Cross multiply
372,576.10x = 555,765.14 × 336,702.82 - Step 4: Simplify right side
372,576.10x = 187,127,689,895.70 - Step 5: Solve for x
x = 187,127,689,895.70/372,576.10 - Step 6: Final answer
x = 502,253.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.