Finding the Fourth Proportional to 209,423.80, 314,135.70 and 167,951.80
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Solution
The fourth proportional to 209,423.80, 314,135.70 and 167,951.80 is: 251,927.70
Step by Step Solution
- Step 1: Write the proportion equation
209,423.80 : 314,135.70 = 167,951.80 : x - Step 2: Convert to fraction form
209,423.80/314,135.70 = 167,951.80/x - Step 3: Cross multiply
209,423.80x = 314,135.70 × 167,951.80 - Step 4: Simplify right side
209,423.80x = 52,759,656,259.26 - Step 5: Solve for x
x = 52,759,656,259.26/209,423.80 - Step 6: Final answer
x = 251,927.70
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1.5x scale
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.