Finding the Fourth Proportional to 358,513.98, 493,682.22 and 350,557.74
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Solution
The fourth proportional to 358,513.98, 493,682.22 and 350,557.74 is: 482,726.29
Step by Step Solution
- Step 1: Write the proportion equation
358,513.98 : 493,682.22 = 350,557.74 : x - Step 2: Convert to fraction form
358,513.98/493,682.22 = 350,557.74/x - Step 3: Cross multiply
358,513.98x = 493,682.22 × 350,557.74 - Step 4: Simplify right side
358,513.98x = 173,064,123,321.38 - Step 5: Solve for x
x = 173,064,123,321.38/358,513.98 - Step 6: Final answer
x = 482,726.29
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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.