Finding the Fourth Proportional to 358,787.10, 537,998.40 and 209,058.60
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Solution
The fourth proportional to 358,787.10, 537,998.40 and 209,058.60 is: 313,481.71
Step by Step Solution
- Step 1: Write the proportion equation
358,787.10 : 537,998.40 = 209,058.60 : x - Step 2: Convert to fraction form
358,787.10/537,998.40 = 209,058.60/x - Step 3: Cross multiply
358,787.10x = 537,998.40 × 209,058.60 - Step 4: Simplify right side
358,787.10x = 112,473,192,306.24 - Step 5: Solve for x
x = 112,473,192,306.24/358,787.10 - Step 6: Final answer
x = 313,481.71
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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.