Finding the Fourth Proportional to 346,491.63, 519,737.40 and 130,390.98
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Solution
The fourth proportional to 346,491.63, 519,737.40 and 130,390.98 is: 195,586.45
Step by Step Solution
- Step 1: Write the proportion equation
346,491.63 : 519,737.40 = 130,390.98 : x - Step 2: Convert to fraction form
346,491.63/519,737.40 = 130,390.98/x - Step 3: Cross multiply
346,491.63x = 519,737.40 × 130,390.98 - Step 4: Simplify right side
346,491.63x = 67,769,068,928.65 - Step 5: Solve for x
x = 67,769,068,928.65/346,491.63 - Step 6: Final answer
x = 195,586.45
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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.