Finding the Fourth Proportional to 509,578.92, 764,385.66 and 135,602.28
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Solution
The fourth proportional to 509,578.92, 764,385.66 and 135,602.28 is: 203,408.02
Step by Step Solution
- Step 1: Write the proportion equation
509,578.92 : 764,385.66 = 135,602.28 : x - Step 2: Convert to fraction form
509,578.92/764,385.66 = 135,602.28/x - Step 3: Cross multiply
509,578.92x = 764,385.66 × 135,602.28 - Step 4: Simplify right side
509,578.92x = 103,652,438,295.31 - Step 5: Solve for x
x = 103,652,438,295.31/509,578.92 - Step 6: Final answer
x = 203,408.02
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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.