Finding the Fourth Proportional to 338,116.40, 507,224.08 and 101,477.84
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Solution
The fourth proportional to 338,116.40, 507,224.08 and 101,477.84 is: 152,231.61
Step by Step Solution
- Step 1: Write the proportion equation
338,116.40 : 507,224.08 = 101,477.84 : x - Step 2: Convert to fraction form
338,116.40/507,224.08 = 101,477.84/x - Step 3: Cross multiply
338,116.40x = 507,224.08 × 101,477.84 - Step 4: Simplify right side
338,116.40x = 51,472,004,034.39 - Step 5: Solve for x
x = 51,472,004,034.39/338,116.40 - Step 6: Final answer
x = 152,231.61
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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.