Finding the Fourth Proportional to 255,613.80, 383,420.70 and 193,405.80
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Solution
The fourth proportional to 255,613.80, 383,420.70 and 193,405.80 is: 290,108.70
Step by Step Solution
- Step 1: Write the proportion equation
255,613.80 : 383,420.70 = 193,405.80 : x - Step 2: Convert to fraction form
255,613.80/383,420.70 = 193,405.80/x - Step 3: Cross multiply
255,613.80x = 383,420.70 × 193,405.80 - Step 4: Simplify right side
255,613.80x = 74,155,787,220.06 - Step 5: Solve for x
x = 74,155,787,220.06/255,613.80 - Step 6: Final answer
x = 290,108.70
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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.