Finding the Fourth Proportional to 358,789.19, 537,996.94 and 133,964.74
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Solution
The fourth proportional to 358,789.19, 537,996.94 and 133,964.74 is: 200,877.35
Step by Step Solution
- Step 1: Write the proportion equation
358,789.19 : 537,996.94 = 133,964.74 : x - Step 2: Convert to fraction form
358,789.19/537,996.94 = 133,964.74/x - Step 3: Cross multiply
358,789.19x = 537,996.94 × 133,964.74 - Step 4: Simplify right side
358,789.19x = 72,072,620,187.90 - Step 5: Solve for x
x = 72,072,620,187.90/358,789.19 - Step 6: Final answer
x = 200,877.35
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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.