Finding the Fourth Proportional to 248,875.70, 373,313.55 and 217,771.70
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Solution
The fourth proportional to 248,875.70, 373,313.55 and 217,771.70 is: 326,657.55
Step by Step Solution
- Step 1: Write the proportion equation
248,875.70 : 373,313.55 = 217,771.70 : x - Step 2: Convert to fraction form
248,875.70/373,313.55 = 217,771.70/x - Step 3: Cross multiply
248,875.70x = 373,313.55 × 217,771.70 - Step 4: Simplify right side
248,875.70x = 81,297,126,416.54 - Step 5: Solve for x
x = 81,297,126,416.54/248,875.70 - Step 6: Final answer
x = 326,657.55
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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.