Finding the Fourth Proportional to 470,134.68, 648,694.62 and 279,207.96
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Solution
The fourth proportional to 470,134.68, 648,694.62 and 279,207.96 is: 385,252.80
Step by Step Solution
- Step 1: Write the proportion equation
470,134.68 : 648,694.62 = 279,207.96 : x - Step 2: Convert to fraction form
470,134.68/648,694.62 = 279,207.96/x - Step 3: Cross multiply
470,134.68x = 648,694.62 × 279,207.96 - Step 4: Simplify right side
470,134.68x = 181,120,701,513.18 - Step 5: Solve for x
x = 181,120,701,513.18/470,134.68 - Step 6: Final answer
x = 385,252.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.