Finding the Fourth Proportional to 270,669.49, 373,519.36 and 149,808.21
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Solution
The fourth proportional to 270,669.49, 373,519.36 and 149,808.21 is: 206,732.82
Step by Step Solution
- Step 1: Write the proportion equation
270,669.49 : 373,519.36 = 149,808.21 : x - Step 2: Convert to fraction form
270,669.49/373,519.36 = 149,808.21/x - Step 3: Cross multiply
270,669.49x = 373,519.36 × 149,808.21 - Step 4: Simplify right side
270,669.49x = 55,956,266,721.95 - Step 5: Solve for x
x = 55,956,266,721.95/270,669.49 - Step 6: Final answer
x = 206,732.82
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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.