Finding the Fourth Proportional to 560,214.09, 773,095.45 and 305,565.28
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Solution
The fourth proportional to 560,214.09, 773,095.45 and 305,565.28 is: 421,680.09
Step by Step Solution
- Step 1: Write the proportion equation
560,214.09 : 773,095.45 = 305,565.28 : x - Step 2: Convert to fraction form
560,214.09/773,095.45 = 305,565.28/x - Step 3: Cross multiply
560,214.09x = 773,095.45 × 305,565.28 - Step 4: Simplify right side
560,214.09x = 236,231,128,994.30 - Step 5: Solve for x
x = 236,231,128,994.30/560,214.09 - Step 6: Final answer
x = 421,680.09
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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.