Finding the Fourth Proportional to 787,079.20, 1,180,492.08 and 225,986.08
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Solution
The fourth proportional to 787,079.20, 1,180,492.08 and 225,986.08 is: 338,942.74
Step by Step Solution
- Step 1: Write the proportion equation
787,079.20 : 1,180,492.08 = 225,986.08 : x - Step 2: Convert to fraction form
787,079.20/1,180,492.08 = 225,986.08/x - Step 3: Cross multiply
787,079.20x = 1,180,492.08 × 225,986.08 - Step 4: Simplify right side
787,079.20x = 266,774,777,630.25 - Step 5: Solve for x
x = 266,774,777,630.25/787,079.20 - Step 6: Final answer
x = 338,942.74
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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.