Finding the Fourth Proportional to 216,747.24, 299,115.50 and 130,705.80
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Solution
The fourth proportional to 216,747.24, 299,115.50 and 130,705.80 is: 180,376.60
Step by Step Solution
- Step 1: Write the proportion equation
216,747.24 : 299,115.50 = 130,705.80 : x - Step 2: Convert to fraction form
216,747.24/299,115.50 = 130,705.80/x - Step 3: Cross multiply
216,747.24x = 299,115.50 × 130,705.80 - Step 4: Simplify right side
216,747.24x = 39,096,130,066.37 - Step 5: Solve for x
x = 39,096,130,066.37/216,747.24 - Step 6: Final answer
x = 180,376.60
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1.5x scale
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.