Finding the Fourth Proportional to 157,625.80, 236,438.70 and 153,251.80
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Solution
The fourth proportional to 157,625.80, 236,438.70 and 153,251.80 is: 229,877.70
Step by Step Solution
- Step 1: Write the proportion equation
157,625.80 : 236,438.70 = 153,251.80 : x - Step 2: Convert to fraction form
157,625.80/236,438.70 = 153,251.80/x - Step 3: Cross multiply
157,625.80x = 236,438.70 × 153,251.80 - Step 4: Simplify right side
157,625.80x = 36,234,656,364.66 - Step 5: Solve for x
x = 36,234,656,364.66/157,625.80 - Step 6: Final answer
x = 229,877.70
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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.