Finding the Fourth Proportional to 620,631.91, 930,946.49 and 165,223.26
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Solution
The fourth proportional to 620,631.91, 930,946.49 and 165,223.26 is: 247,834.52
Step by Step Solution
- Step 1: Write the proportion equation
620,631.91 : 930,946.49 = 165,223.26 : x - Step 2: Convert to fraction form
620,631.91/930,946.49 = 165,223.26/x - Step 3: Cross multiply
620,631.91x = 930,946.49 × 165,223.26 - Step 4: Simplify right side
620,631.91x = 153,814,013,137.24 - Step 5: Solve for x
x = 153,814,013,137.24/620,631.91 - Step 6: Final answer
x = 247,834.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.