Finding the Fourth Proportional to 369,215.01, 553,920.97 and 132,559.74
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Solution
The fourth proportional to 369,215.01, 553,920.97 and 132,559.74 is: 198,874.96
Step by Step Solution
- Step 1: Write the proportion equation
369,215.01 : 553,920.97 = 132,559.74 : x - Step 2: Convert to fraction form
369,215.01/553,920.97 = 132,559.74/x - Step 3: Cross multiply
369,215.01x = 553,920.97 × 132,559.74 - Step 4: Simplify right side
369,215.01x = 73,427,619,763.75 - Step 5: Solve for x
x = 73,427,619,763.75/369,215.01 - Step 6: Final answer
x = 198,874.96
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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.