Finding the Fourth Proportional to 246,266.84, 369,421.20 and 77,742.08
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Solution
The fourth proportional to 246,266.84, 369,421.20 and 77,742.08 is: 116,619.73
Step by Step Solution
- Step 1: Write the proportion equation
246,266.84 : 369,421.20 = 77,742.08 : x - Step 2: Convert to fraction form
246,266.84/369,421.20 = 77,742.08/x - Step 3: Cross multiply
246,266.84x = 369,421.20 × 77,742.08 - Step 4: Simplify right side
246,266.84x = 28,719,570,636.99 - Step 5: Solve for x
x = 28,719,570,636.99/246,266.84 - Step 6: Final answer
x = 116,619.73
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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.