Finding the Fourth Proportional to 357,653.70, 536,480.55 and 191,765.70
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Solution
The fourth proportional to 357,653.70, 536,480.55 and 191,765.70 is: 287,648.55
Step by Step Solution
- Step 1: Write the proportion equation
357,653.70 : 536,480.55 = 191,765.70 : x - Step 2: Convert to fraction form
357,653.70/536,480.55 = 191,765.70/x - Step 3: Cross multiply
357,653.70x = 536,480.55 × 191,765.70 - Step 4: Simplify right side
357,653.70x = 102,878,568,207.14 - Step 5: Solve for x
x = 102,878,568,207.14/357,653.70 - Step 6: Final answer
x = 287,648.55
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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.