Finding the Fourth Proportional to 371,451.14, 557,149.44 and 118,663.74
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Solution
The fourth proportional to 371,451.14, 557,149.44 and 118,663.74 is: 177,986.90
Step by Step Solution
- Step 1: Write the proportion equation
371,451.14 : 557,149.44 = 118,663.74 : x - Step 2: Convert to fraction form
371,451.14/557,149.44 = 118,663.74/x - Step 3: Cross multiply
371,451.14x = 557,149.44 × 118,663.74 - Step 4: Simplify right side
371,451.14x = 66,113,436,289.31 - Step 5: Solve for x
x = 66,113,436,289.31/371,451.14 - Step 6: Final answer
x = 177,986.90
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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.