Finding the Fourth Proportional to 340,742.80, 511,351.35 and 141,064.23
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Solution
The fourth proportional to 340,742.80, 511,351.35 and 141,064.23 is: 211,694.52
Step by Step Solution
- Step 1: Write the proportion equation
340,742.80 : 511,351.35 = 141,064.23 : x - Step 2: Convert to fraction form
340,742.80/511,351.35 = 141,064.23/x - Step 3: Cross multiply
340,742.80x = 511,351.35 × 141,064.23 - Step 4: Simplify right side
340,742.80x = 72,133,384,447.21 - Step 5: Solve for x
x = 72,133,384,447.21/340,742.80 - Step 6: Final answer
x = 211,694.52
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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.