Finding the Fourth Proportional to 297,967.84, 411,136.80 and 167,149.84
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Solution
The fourth proportional to 297,967.84, 411,136.80 and 167,149.84 is: 230,633.78
Step by Step Solution
- Step 1: Write the proportion equation
297,967.84 : 411,136.80 = 167,149.84 : x - Step 2: Convert to fraction form
297,967.84/411,136.80 = 167,149.84/x - Step 3: Cross multiply
297,967.84x = 411,136.80 × 167,149.84 - Step 4: Simplify right side
297,967.84x = 68,721,450,338.11 - Step 5: Solve for x
x = 68,721,450,338.11/297,967.84 - Step 6: Final answer
x = 230,633.78
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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.