Finding the Fourth Proportional to 359,032.91, 495,938.70 and 268,231.10
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Solution
The fourth proportional to 359,032.91, 495,938.70 and 268,231.10 is: 370,512.50
Step by Step Solution
- Step 1: Write the proportion equation
359,032.91 : 495,938.70 = 268,231.10 : x - Step 2: Convert to fraction form
359,032.91/495,938.70 = 268,231.10/x - Step 3: Cross multiply
359,032.91x = 495,938.70 × 268,231.10 - Step 4: Simplify right side
359,032.91x = 133,026,180,553.88 - Step 5: Solve for x
x = 133,026,180,553.88/359,032.91 - Step 6: Final answer
x = 370,512.50
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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.