Finding the Fourth Proportional to 293,863.80, 440,795.70 and 146,407.80
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Solution
The fourth proportional to 293,863.80, 440,795.70 and 146,407.80 is: 219,611.70
Step by Step Solution
- Step 1: Write the proportion equation
293,863.80 : 440,795.70 = 146,407.80 : x - Step 2: Convert to fraction form
293,863.80/440,795.70 = 146,407.80/x - Step 3: Cross multiply
293,863.80x = 440,795.70 × 146,407.80 - Step 4: Simplify right side
293,863.80x = 64,535,928,686.46 - Step 5: Solve for x
x = 64,535,928,686.46/293,863.80 - Step 6: Final answer
x = 219,611.70
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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.