Finding the Fourth Proportional to 255,051.70, 382,621.12 and 105,210.08
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Solution
The fourth proportional to 255,051.70, 382,621.12 and 105,210.08 is: 157,833.09
Step by Step Solution
- Step 1: Write the proportion equation
255,051.70 : 382,621.12 = 105,210.08 : x - Step 2: Convert to fraction form
255,051.70/382,621.12 = 105,210.08/x - Step 3: Cross multiply
255,051.70x = 382,621.12 × 105,210.08 - Step 4: Simplify right side
255,051.70x = 40,255,597,365.53 - Step 5: Solve for x
x = 40,255,597,365.53/255,051.70 - Step 6: Final answer
x = 157,833.09
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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.