Finding the Fourth Proportional to 134,790.40, 202,140.42 and 44,812.36
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Solution
The fourth proportional to 134,790.40, 202,140.42 and 44,812.36 is: 67,203.52
Step by Step Solution
- Step 1: Write the proportion equation
134,790.40 : 202,140.42 = 44,812.36 : x - Step 2: Convert to fraction form
134,790.40/202,140.42 = 44,812.36/x - Step 3: Cross multiply
134,790.40x = 202,140.42 × 44,812.36 - Step 4: Simplify right side
134,790.40x = 9,058,389,271.59 - Step 5: Solve for x
x = 9,058,389,271.59/134,790.40 - Step 6: Final answer
x = 67,203.52
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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.