Finding the Fourth Proportional to 359,115.47, 495,580.85 and 197,966.99
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Solution
The fourth proportional to 359,115.47, 495,580.85 and 197,966.99 is: 273,195.27
Step by Step Solution
- Step 1: Write the proportion equation
359,115.47 : 495,580.85 = 197,966.99 : x - Step 2: Convert to fraction form
359,115.47/495,580.85 = 197,966.99/x - Step 3: Cross multiply
359,115.47x = 495,580.85 × 197,966.99 - Step 4: Simplify right side
359,115.47x = 98,108,649,176.14 - Step 5: Solve for x
x = 98,108,649,176.14/359,115.47 - Step 6: Final answer
x = 273,195.27
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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.