Finding the Fourth Proportional to 212,389.99, 292,466.37 and 207,675.79
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Solution
The fourth proportional to 212,389.99, 292,466.37 and 207,675.79 is: 285,974.80
Step by Step Solution
- Step 1: Write the proportion equation
212,389.99 : 292,466.37 = 207,675.79 : x - Step 2: Convert to fraction form
212,389.99/292,466.37 = 207,675.79/x - Step 3: Cross multiply
212,389.99x = 292,466.37 × 207,675.79 - Step 4: Simplify right side
212,389.99x = 60,738,184,438.18 - Step 5: Solve for x
x = 60,738,184,438.18/212,389.99 - Step 6: Final answer
x = 285,974.80
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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.