Finding the Fourth Proportional to 307,492.24, 424,338.60 and 173,355.28
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Solution
The fourth proportional to 307,492.24, 424,338.60 and 173,355.28 is: 239,229.90
Step by Step Solution
- Step 1: Write the proportion equation
307,492.24 : 424,338.60 = 173,355.28 : x - Step 2: Convert to fraction form
307,492.24/424,338.60 = 173,355.28/x - Step 3: Cross multiply
307,492.24x = 424,338.60 × 173,355.28 - Step 4: Simplify right side
307,492.24x = 73,561,336,817.81 - Step 5: Solve for x
x = 73,561,336,817.81/307,492.24 - Step 6: Final answer
x = 239,229.90
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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.