Finding the Fourth Proportional to 910,283.98, 1,365,426.66 and 311,249.65
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Solution
The fourth proportional to 910,283.98, 1,365,426.66 and 311,249.65 is: 466,874.71
Step by Step Solution
- Step 1: Write the proportion equation
910,283.98 : 1,365,426.66 = 311,249.65 : x - Step 2: Convert to fraction form
910,283.98/1,365,426.66 = 311,249.65/x - Step 3: Cross multiply
910,283.98x = 1,365,426.66 × 311,249.65 - Step 4: Simplify right side
910,283.98x = 424,988,570,025.67 - Step 5: Solve for x
x = 424,988,570,025.67/910,283.98 - Step 6: Final answer
x = 466,874.71
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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.