Finding the Fourth Proportional to 359,345.21, 495,898.74 and 198,204.62
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Solution
The fourth proportional to 359,345.21, 495,898.74 and 198,204.62 is: 273,523.67
Step by Step Solution
- Step 1: Write the proportion equation
359,345.21 : 495,898.74 = 198,204.62 : x - Step 2: Convert to fraction form
359,345.21/495,898.74 = 198,204.62/x - Step 3: Cross multiply
359,345.21x = 495,898.74 × 198,204.62 - Step 4: Simplify right side
359,345.21x = 98,289,418,840.69 - Step 5: Solve for x
x = 98,289,418,840.69/359,345.21 - Step 6: Final answer
x = 273,523.67
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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.