Finding the Fourth Proportional to 214,927.70, 322,391.55 and 188,683.70
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Solution
The fourth proportional to 214,927.70, 322,391.55 and 188,683.70 is: 283,025.55
Step by Step Solution
- Step 1: Write the proportion equation
214,927.70 : 322,391.55 = 188,683.70 : x - Step 2: Convert to fraction form
214,927.70/322,391.55 = 188,683.70/x - Step 3: Cross multiply
214,927.70x = 322,391.55 × 188,683.70 - Step 4: Simplify right side
214,927.70x = 60,830,030,502.74 - Step 5: Solve for x
x = 60,830,030,502.74/214,927.70 - Step 6: Final answer
x = 283,025.55
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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.