Finding the Fourth Proportional to 255,160.92, 352,061.99 and 214,479.68
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Solution
The fourth proportional to 255,160.92, 352,061.99 and 214,479.68 is: 295,931.45
Step by Step Solution
- Step 1: Write the proportion equation
255,160.92 : 352,061.99 = 214,479.68 : x - Step 2: Convert to fraction form
255,160.92/352,061.99 = 214,479.68/x - Step 3: Cross multiply
255,160.92x = 352,061.99 × 214,479.68 - Step 4: Simplify right side
255,160.92x = 75,510,140,122.65 - Step 5: Solve for x
x = 75,510,140,122.65/255,160.92 - Step 6: Final answer
x = 295,931.45
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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.