Finding the Fourth Proportional to 291,776.60, 402,767.68 and 250,778.44
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Solution
The fourth proportional to 291,776.60, 402,767.68 and 250,778.44 is: 346,173.92
Step by Step Solution
- Step 1: Write the proportion equation
291,776.60 : 402,767.68 = 250,778.44 : x - Step 2: Convert to fraction form
291,776.60/402,767.68 = 250,778.44/x - Step 3: Cross multiply
291,776.60x = 402,767.68 × 250,778.44 - Step 4: Simplify right side
291,776.60x = 101,005,450,472.82 - Step 5: Solve for x
x = 101,005,450,472.82/291,776.60 - Step 6: Final answer
x = 346,173.92
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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.