Finding the Fourth Proportional to 472,982.98, 652,730.34 and 258,136.84
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Solution
The fourth proportional to 472,982.98, 652,730.34 and 258,136.84 is: 356,236.39
Step by Step Solution
- Step 1: Write the proportion equation
472,982.98 : 652,730.34 = 258,136.84 : x - Step 2: Convert to fraction form
472,982.98/652,730.34 = 258,136.84/x - Step 3: Cross multiply
472,982.98x = 652,730.34 × 258,136.84 - Step 4: Simplify right side
472,982.98x = 168,493,747,339.73 - Step 5: Solve for x
x = 168,493,747,339.73/472,982.98 - Step 6: Final answer
x = 356,236.39
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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.