Finding the Fourth Proportional to 307,618.36, 424,512.50 and 171,650.81
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Solution
The fourth proportional to 307,618.36, 424,512.50 and 171,650.81 is: 236,877.65
Step by Step Solution
- Step 1: Write the proportion equation
307,618.36 : 424,512.50 = 171,650.81 : x - Step 2: Convert to fraction form
307,618.36/424,512.50 = 171,650.81/x - Step 3: Cross multiply
307,618.36x = 424,512.50 × 171,650.81 - Step 4: Simplify right side
307,618.36x = 72,867,914,683.15 - Step 5: Solve for x
x = 72,867,914,683.15/307,618.36 - Step 6: Final answer
x = 236,877.65
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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.