Finding the Fourth Proportional to 251,239.68, 346,671.36 and 143,784.96
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Solution
The fourth proportional to 251,239.68, 346,671.36 and 143,784.96 is: 198,400.70
Step by Step Solution
- Step 1: Write the proportion equation
251,239.68 : 346,671.36 = 143,784.96 : x - Step 2: Convert to fraction form
251,239.68/346,671.36 = 143,784.96/x - Step 3: Cross multiply
251,239.68x = 346,671.36 × 143,784.96 - Step 4: Simplify right side
251,239.68x = 49,846,127,630.75 - Step 5: Solve for x
x = 49,846,127,630.75/251,239.68 - Step 6: Final answer
x = 198,400.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.