Finding the Fourth Proportional to 338,212.16, 507,395.99 and 101,559.32
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Solution
The fourth proportional to 338,212.16, 507,395.99 and 101,559.32 is: 152,362.33
Step by Step Solution
- Step 1: Write the proportion equation
338,212.16 : 507,395.99 = 101,559.32 : x - Step 2: Convert to fraction form
338,212.16/507,395.99 = 101,559.32/x - Step 3: Cross multiply
338,212.16x = 507,395.99 × 101,559.32 - Step 4: Simplify right side
338,212.16x = 51,530,791,715.13 - Step 5: Solve for x
x = 51,530,791,715.13/338,212.16 - Step 6: Final answer
x = 152,362.33
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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.