Finding the Fourth Proportional to 291,239.62, 436,889.24 and 111,476.08
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Solution
The fourth proportional to 291,239.62, 436,889.24 and 111,476.08 is: 167,225.53
Step by Step Solution
- Step 1: Write the proportion equation
291,239.62 : 436,889.24 = 111,476.08 : x - Step 2: Convert to fraction form
291,239.62/436,889.24 = 111,476.08/x - Step 3: Cross multiply
291,239.62x = 436,889.24 × 111,476.08 - Step 4: Simplify right side
291,239.62x = 48,702,699,869.38 - Step 5: Solve for x
x = 48,702,699,869.38/291,239.62 - Step 6: Final answer
x = 167,225.53
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1.5x scale
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.