Finding the Fourth Proportional to 178,591.84, 246,438.76 and 106,970.02
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Solution
The fourth proportional to 178,591.84, 246,438.76 and 106,970.02 is: 147,607.86
Step by Step Solution
- Step 1: Write the proportion equation
178,591.84 : 246,438.76 = 106,970.02 : x - Step 2: Convert to fraction form
178,591.84/246,438.76 = 106,970.02/x - Step 3: Cross multiply
178,591.84x = 246,438.76 × 106,970.02 - Step 4: Simplify right side
178,591.84x = 26,361,559,085.98 - Step 5: Solve for x
x = 26,361,559,085.98/178,591.84 - Step 6: Final answer
x = 147,607.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.