Finding the Fourth Proportional to 246,839.17, 370,271.57 and 78,372.68
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Solution
The fourth proportional to 246,839.17, 370,271.57 and 78,372.68 is: 117,563.09
Step by Step Solution
- Step 1: Write the proportion equation
246,839.17 : 370,271.57 = 78,372.68 : x - Step 2: Convert to fraction form
246,839.17/370,271.57 = 78,372.68/x - Step 3: Cross multiply
246,839.17x = 370,271.57 × 78,372.68 - Step 4: Simplify right side
246,839.17x = 29,019,176,495.47 - Step 5: Solve for x
x = 29,019,176,495.47/246,839.17 - Step 6: Final answer
x = 117,563.09
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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.