Finding the Fourth Proportional to 239,161.64, 358,742.46 and 208,368.68
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Solution
The fourth proportional to 239,161.64, 358,742.46 and 208,368.68 is: 312,553.02
Step by Step Solution
- Step 1: Write the proportion equation
239,161.64 : 358,742.46 = 208,368.68 : x - Step 2: Convert to fraction form
239,161.64/358,742.46 = 208,368.68/x - Step 3: Cross multiply
239,161.64x = 358,742.46 × 208,368.68 - Step 4: Simplify right side
239,161.64x = 74,750,692,850.15 - Step 5: Solve for x
x = 74,750,692,850.15/239,161.64 - Step 6: Final answer
x = 312,553.02
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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.