Finding the Fourth Proportional to 412,930.68, 619,457.64 and 146,668.80
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Solution
The fourth proportional to 412,930.68, 619,457.64 and 146,668.80 is: 220,025.09
Step by Step Solution
- Step 1: Write the proportion equation
412,930.68 : 619,457.64 = 146,668.80 : x - Step 2: Convert to fraction form
412,930.68/619,457.64 = 146,668.80/x - Step 3: Cross multiply
412,930.68x = 619,457.64 × 146,668.80 - Step 4: Simplify right side
412,930.68x = 90,855,108,709.63 - Step 5: Solve for x
x = 90,855,108,709.63/412,930.68 - Step 6: Final answer
x = 220,025.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.