Finding the Fourth Proportional to 145,981.92, 201,509.64 and 113,652.48
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Solution
The fourth proportional to 145,981.92, 201,509.64 and 113,652.48 is: 156,882.92
Step by Step Solution
- Step 1: Write the proportion equation
145,981.92 : 201,509.64 = 113,652.48 : x - Step 2: Convert to fraction form
145,981.92/201,509.64 = 113,652.48/x - Step 3: Cross multiply
145,981.92x = 201,509.64 × 113,652.48 - Step 4: Simplify right side
145,981.92x = 22,902,070,329.91 - Step 5: Solve for x
x = 22,902,070,329.91/145,981.92 - Step 6: Final answer
x = 156,882.92
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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.