Finding the Fourth Proportional to 209,246.76, 288,783.10 and 118,592.99
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Solution
The fourth proportional to 209,246.76, 288,783.10 and 118,592.99 is: 163,671.12
Step by Step Solution
- Step 1: Write the proportion equation
209,246.76 : 288,783.10 = 118,592.99 : x - Step 2: Convert to fraction form
209,246.76/288,783.10 = 118,592.99/x - Step 3: Cross multiply
209,246.76x = 288,783.10 × 118,592.99 - Step 4: Simplify right side
209,246.76x = 34,247,652,457.15 - Step 5: Solve for x
x = 34,247,652,457.15/209,246.76 - Step 6: Final answer
x = 163,671.12
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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.