Finding the Fourth Proportional to 255,751.24, 383,682.18 and 97,979.56
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Solution
The fourth proportional to 255,751.24, 383,682.18 and 97,979.56 is: 146,990.53
Step by Step Solution
- Step 1: Write the proportion equation
255,751.24 : 383,682.18 = 97,979.56 : x - Step 2: Convert to fraction form
255,751.24/383,682.18 = 97,979.56/x - Step 3: Cross multiply
255,751.24x = 383,682.18 × 97,979.56 - Step 4: Simplify right side
255,751.24x = 37,593,011,176.24 - Step 5: Solve for x
x = 37,593,011,176.24/255,751.24 - Step 6: Final answer
x = 146,990.53
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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.