Finding the Fourth Proportional to 291,731.58, 437,675.16 and 104,744.70
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Solution
The fourth proportional to 291,731.58, 437,675.16 and 104,744.70 is: 157,144.98
Step by Step Solution
- Step 1: Write the proportion equation
291,731.58 : 437,675.16 = 104,744.70 : x - Step 2: Convert to fraction form
291,731.58/437,675.16 = 104,744.70/x - Step 3: Cross multiply
291,731.58x = 437,675.16 × 104,744.70 - Step 4: Simplify right side
291,731.58x = 45,844,153,331.65 - Step 5: Solve for x
x = 45,844,153,331.65/291,731.58 - Step 6: Final answer
x = 157,144.98
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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.