Finding the Fourth Proportional to 209,316.24, 314,058.20 and 76,205.70
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Solution
The fourth proportional to 209,316.24, 314,058.20 and 76,205.70 is: 114,339.07
Step by Step Solution
- Step 1: Write the proportion equation
209,316.24 : 314,058.20 = 76,205.70 : x - Step 2: Convert to fraction form
209,316.24/314,058.20 = 76,205.70/x - Step 3: Cross multiply
209,316.24x = 314,058.20 × 76,205.70 - Step 4: Simplify right side
209,316.24x = 23,933,024,590.71 - Step 5: Solve for x
x = 23,933,024,590.71/209,316.24 - Step 6: Final answer
x = 114,339.07
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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.