Finding the Fourth Proportional to 513,897.35, 770,580.36 and 225,590.99
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Solution
The fourth proportional to 513,897.35, 770,580.36 and 225,590.99 is: 338,269.86
Step by Step Solution
- Step 1: Write the proportion equation
513,897.35 : 770,580.36 = 225,590.99 : x - Step 2: Convert to fraction form
513,897.35/770,580.36 = 225,590.99/x - Step 3: Cross multiply
513,897.35x = 770,580.36 × 225,590.99 - Step 4: Simplify right side
513,897.35x = 173,835,982,434.06 - Step 5: Solve for x
x = 173,835,982,434.06/513,897.35 - Step 6: Final answer
x = 338,269.86
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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.