Finding the Fourth Proportional to 359,353.31, 495,905.54 and 198,207.99
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Solution
The fourth proportional to 359,353.31, 495,905.54 and 198,207.99 is: 273,525.91
Step by Step Solution
- Step 1: Write the proportion equation
359,353.31 : 495,905.54 = 198,207.99 : x - Step 2: Convert to fraction form
359,353.31/495,905.54 = 198,207.99/x - Step 3: Cross multiply
359,353.31x = 495,905.54 × 198,207.99 - Step 4: Simplify right side
359,353.31x = 98,292,439,322.22 - Step 5: Solve for x
x = 98,292,439,322.22/359,353.31 - Step 6: Final answer
x = 273,525.91
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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.