Finding the Fourth Proportional to 286,352.86, 429,622.70 and 136,573.68
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Solution
The fourth proportional to 286,352.86, 429,622.70 and 136,573.68 is: 204,905.07
Step by Step Solution
- Step 1: Write the proportion equation
286,352.86 : 429,622.70 = 136,573.68 : x - Step 2: Convert to fraction form
286,352.86/429,622.70 = 136,573.68/x - Step 3: Cross multiply
286,352.86x = 429,622.70 × 136,573.68 - Step 4: Simplify right side
286,352.86x = 58,675,153,150.54 - Step 5: Solve for x
x = 58,675,153,150.54/286,352.86 - Step 6: Final answer
x = 204,905.07
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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.