Finding the Fourth Proportional to 291,823.75, 437,735.76 and 70,207.75
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Solution
The fourth proportional to 291,823.75, 437,735.76 and 70,207.75 is: 105,311.66
Step by Step Solution
- Step 1: Write the proportion equation
291,823.75 : 437,735.76 = 70,207.75 : x - Step 2: Convert to fraction form
291,823.75/437,735.76 = 70,207.75/x - Step 3: Cross multiply
291,823.75x = 437,735.76 × 70,207.75 - Step 4: Simplify right side
291,823.75x = 30,732,442,804.14 - Step 5: Solve for x
x = 30,732,442,804.14/291,823.75 - Step 6: Final answer
x = 105,311.66
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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.