Finding the Fourth Proportional to 231,727.05, 347,590.58 and 98,611.65
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Solution
The fourth proportional to 231,727.05, 347,590.58 and 98,611.65 is: 147,917.48
Step by Step Solution
- Step 1: Write the proportion equation
231,727.05 : 347,590.58 = 98,611.65 : x - Step 2: Convert to fraction form
231,727.05/347,590.58 = 98,611.65/x - Step 3: Cross multiply
231,727.05x = 347,590.58 × 98,611.65 - Step 4: Simplify right side
231,727.05x = 34,276,480,125.20 - Step 5: Solve for x
x = 34,276,480,125.20/231,727.05 - Step 6: Final answer
x = 147,917.48
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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.