Finding the Fourth Proportional to 560,852.12, 773,971.92 and 306,203.30
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Solution
The fourth proportional to 560,852.12, 773,971.92 and 306,203.30 is: 422,558.37
Step by Step Solution
- Step 1: Write the proportion equation
560,852.12 : 773,971.92 = 306,203.30 : x - Step 2: Convert to fraction form
560,852.12/773,971.92 = 306,203.30/x - Step 3: Cross multiply
560,852.12x = 773,971.92 × 306,203.30 - Step 4: Simplify right side
560,852.12x = 236,992,756,011.34 - Step 5: Solve for x
x = 236,992,756,011.34/560,852.12 - Step 6: Final answer
x = 422,558.37
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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.