Finding the Fourth Proportional to 470,212.68, 648,857.52 and 276,628.08
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Solution
The fourth proportional to 470,212.68, 648,857.52 and 276,628.08 is: 381,725.58
Step by Step Solution
- Step 1: Write the proportion equation
470,212.68 : 648,857.52 = 276,628.08 : x - Step 2: Convert to fraction form
470,212.68/648,857.52 = 276,628.08/x - Step 3: Cross multiply
470,212.68x = 648,857.52 × 276,628.08 - Step 4: Simplify right side
470,212.68x = 179,492,209,951.16 - Step 5: Solve for x
x = 179,492,209,951.16/470,212.68 - Step 6: Final answer
x = 381,725.58
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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.