Finding the Fourth Proportional to 340,782.97, 511,266.49 and 104,119.20
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Solution
The fourth proportional to 340,782.97, 511,266.49 and 104,119.20 is: 156,206.92
Step by Step Solution
- Step 1: Write the proportion equation
340,782.97 : 511,266.49 = 104,119.20 : x - Step 2: Convert to fraction form
340,782.97/511,266.49 = 104,119.20/x - Step 3: Cross multiply
340,782.97x = 511,266.49 × 104,119.20 - Step 4: Simplify right side
340,782.97x = 53,232,657,925.61 - Step 5: Solve for x
x = 53,232,657,925.61/340,782.97 - Step 6: Final answer
x = 156,206.92
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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.