Finding the Fourth Proportional to 467,512.20, 699,518.70 and 310,048.20
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Solution
The fourth proportional to 467,512.20, 699,518.70 and 310,048.20 is: 463,911.99
Step by Step Solution
- Step 1: Write the proportion equation
467,512.20 : 699,518.70 = 310,048.20 : x - Step 2: Convert to fraction form
467,512.20/699,518.70 = 310,048.20/x - Step 3: Cross multiply
467,512.20x = 699,518.70 × 310,048.20 - Step 4: Simplify right side
467,512.20x = 216,884,513,801.34 - Step 5: Solve for x
x = 216,884,513,801.34/467,512.20 - Step 6: Final answer
x = 463,911.99
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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.