Finding the Fourth Proportional to 291,996.65, 402,927.38 and 177,338.05
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Solution
The fourth proportional to 291,996.65, 402,927.38 and 177,338.05 is: 244,709.50
Step by Step Solution
- Step 1: Write the proportion equation
291,996.65 : 402,927.38 = 177,338.05 : x - Step 2: Convert to fraction form
291,996.65/402,927.38 = 177,338.05/x - Step 3: Cross multiply
291,996.65x = 402,927.38 × 177,338.05 - Step 4: Simplify right side
291,996.65x = 71,454,354,631.82 - Step 5: Solve for x
x = 71,454,354,631.82/291,996.65 - Step 6: Final answer
x = 244,709.50
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1.5x scale
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.