Finding the Fourth Proportional to 328,903.70, 493,313.97 and 104,266.34
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Solution
The fourth proportional to 328,903.70, 493,313.97 and 104,266.34 is: 156,386.32
Step by Step Solution
- Step 1: Write the proportion equation
328,903.70 : 493,313.97 = 104,266.34 : x - Step 2: Convert to fraction form
328,903.70/493,313.97 = 104,266.34/x - Step 3: Cross multiply
328,903.70x = 493,313.97 × 104,266.34 - Step 4: Simplify right side
328,903.70x = 51,436,039,656.20 - Step 5: Solve for x
x = 51,436,039,656.20/328,903.70 - Step 6: Final answer
x = 156,386.32
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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.