Finding the Fourth Proportional to 454,711.21, 681,460.86 and 214,888.81
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Solution
The fourth proportional to 454,711.21, 681,460.86 and 214,888.81 is: 322,046.85
Step by Step Solution
- Step 1: Write the proportion equation
454,711.21 : 681,460.86 = 214,888.81 : x - Step 2: Convert to fraction form
454,711.21/681,460.86 = 214,888.81/x - Step 3: Cross multiply
454,711.21x = 681,460.86 × 214,888.81 - Step 4: Simplify right side
454,711.21x = 146,438,313,266.98 - Step 5: Solve for x
x = 146,438,313,266.98/454,711.21 - Step 6: Final answer
x = 322,046.85
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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.