Finding the Fourth Proportional to 358,538.67, 537,803.14 and 122,046.21
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Solution
The fourth proportional to 358,538.67, 537,803.14 and 122,046.21 is: 183,067.66
Step by Step Solution
- Step 1: Write the proportion equation
358,538.67 : 537,803.14 = 122,046.21 : x - Step 2: Convert to fraction form
358,538.67/537,803.14 = 122,046.21/x - Step 3: Cross multiply
358,538.67x = 537,803.14 × 122,046.21 - Step 4: Simplify right side
358,538.67x = 65,636,834,963.10 - Step 5: Solve for x
x = 65,636,834,963.10/358,538.67 - Step 6: Final answer
x = 183,067.66
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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.