Finding the Fourth Proportional to 464,215.47, 696,330.49 and 211,485.75
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Solution
The fourth proportional to 464,215.47, 696,330.49 and 211,485.75 is: 317,231.94
Step by Step Solution
- Step 1: Write the proportion equation
464,215.47 : 696,330.49 = 211,485.75 : x - Step 2: Convert to fraction form
464,215.47/696,330.49 = 211,485.75/x - Step 3: Cross multiply
464,215.47x = 696,330.49 × 211,485.75 - Step 4: Simplify right side
464,215.47x = 147,263,974,607.41 - Step 5: Solve for x
x = 147,263,974,607.41/464,215.47 - Step 6: Final answer
x = 317,231.94
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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.