Finding the Fourth Proportional to 134,176.08, 201,289.65 and 45,405.75
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Solution
The fourth proportional to 134,176.08, 201,289.65 and 45,405.75 is: 68,117.26
Step by Step Solution
- Step 1: Write the proportion equation
134,176.08 : 201,289.65 = 45,405.75 : x - Step 2: Convert to fraction form
134,176.08/201,289.65 = 45,405.75/x - Step 3: Cross multiply
134,176.08x = 201,289.65 × 45,405.75 - Step 4: Simplify right side
134,176.08x = 9,139,707,525.49 - Step 5: Solve for x
x = 9,139,707,525.49/134,176.08 - Step 6: Final answer
x = 68,117.26
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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.