Finding the Fourth Proportional to 140,477.99, 210,717.18 and 57,371.99
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Solution
The fourth proportional to 140,477.99, 210,717.18 and 57,371.99 is: 86,058.06
Step by Step Solution
- Step 1: Write the proportion equation
140,477.99 : 210,717.18 = 57,371.99 : x - Step 2: Convert to fraction form
140,477.99/210,717.18 = 57,371.99/x - Step 3: Cross multiply
140,477.99x = 210,717.18 × 57,371.99 - Step 4: Simplify right side
140,477.99x = 12,089,263,943.79 - Step 5: Solve for x
x = 12,089,263,943.79/140,477.99 - Step 6: Final answer
x = 86,058.06
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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.