Finding the Fourth Proportional to 307,775.09, 460,812.43 and 157,692.21
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Solution
The fourth proportional to 307,775.09, 460,812.43 and 157,692.21 is: 236,102.70
Step by Step Solution
- Step 1: Write the proportion equation
307,775.09 : 460,812.43 = 157,692.21 : x - Step 2: Convert to fraction form
307,775.09/460,812.43 = 157,692.21/x - Step 3: Cross multiply
307,775.09x = 460,812.43 × 157,692.21 - Step 4: Simplify right side
307,775.09x = 72,666,529,693.71 - Step 5: Solve for x
x = 72,666,529,693.71/307,775.09 - Step 6: Final answer
x = 236,102.70
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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.