Finding the Fourth Proportional to 216,374.14, 324,557.70 and 83,283.31
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Solution
The fourth proportional to 216,374.14, 324,557.70 and 83,283.31 is: 124,923.61
Step by Step Solution
- Step 1: Write the proportion equation
216,374.14 : 324,557.70 = 83,283.31 : x - Step 2: Convert to fraction form
216,374.14/324,557.70 = 83,283.31/x - Step 3: Cross multiply
216,374.14x = 324,557.70 × 83,283.31 - Step 4: Simplify right side
216,374.14x = 27,030,239,541.99 - Step 5: Solve for x
x = 27,030,239,541.99/216,374.14 - Step 6: Final answer
x = 124,923.61
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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.