Finding the Fourth Proportional to 353,297.55, 487,552.86 and 192,153.75
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Solution
The fourth proportional to 353,297.55, 487,552.86 and 192,153.75 is: 265,173.39
Step by Step Solution
- Step 1: Write the proportion equation
353,297.55 : 487,552.86 = 192,153.75 : x - Step 2: Convert to fraction form
353,297.55/487,552.86 = 192,153.75/x - Step 3: Cross multiply
353,297.55x = 487,552.86 × 192,153.75 - Step 4: Simplify right side
353,297.55x = 93,685,110,372.23 - Step 5: Solve for x
x = 93,685,110,372.23/353,297.55 - Step 6: Final answer
x = 265,173.39
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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.