Finding the Fourth Proportional to 233,479.80, 350,219.70 and 115,381.80
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Solution
The fourth proportional to 233,479.80, 350,219.70 and 115,381.80 is: 173,072.70
Step by Step Solution
- Step 1: Write the proportion equation
233,479.80 : 350,219.70 = 115,381.80 : x - Step 2: Convert to fraction form
233,479.80/350,219.70 = 115,381.80/x - Step 3: Cross multiply
233,479.80x = 350,219.70 × 115,381.80 - Step 4: Simplify right side
233,479.80x = 40,408,979,381.46 - Step 5: Solve for x
x = 40,408,979,381.46/233,479.80 - Step 6: Final answer
x = 173,072.70
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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.