Finding the Fourth Proportional to 291,737.70, 437,606.55 and 70,121.70
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Solution
The fourth proportional to 291,737.70, 437,606.55 and 70,121.70 is: 105,182.55
Step by Step Solution
- Step 1: Write the proportion equation
291,737.70 : 437,606.55 = 70,121.70 : x - Step 2: Convert to fraction form
291,737.70/437,606.55 = 70,121.70/x - Step 3: Cross multiply
291,737.70x = 437,606.55 × 70,121.70 - Step 4: Simplify right side
291,737.70x = 30,685,715,217.14 - Step 5: Solve for x
x = 30,685,715,217.14/291,737.70 - Step 6: Final answer
x = 105,182.55
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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.