Finding the Fourth Proportional to 495,518.49, 683,911.35 and 323,137.17
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Solution
The fourth proportional to 495,518.49, 683,911.35 and 323,137.17 is: 445,991.79
Step by Step Solution
- Step 1: Write the proportion equation
495,518.49 : 683,911.35 = 323,137.17 : x - Step 2: Convert to fraction form
495,518.49/683,911.35 = 323,137.17/x - Step 3: Cross multiply
495,518.49x = 683,911.35 × 323,137.17 - Step 4: Simplify right side
495,518.49x = 220,997,178,169.88 - Step 5: Solve for x
x = 220,997,178,169.88/495,518.49 - Step 6: Final answer
x = 445,991.79
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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.