Finding the Fourth Proportional to 554,432.02, 831,640.74 and 133,704.52
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Solution
The fourth proportional to 554,432.02, 831,640.74 and 133,704.52 is: 200,555.02
Step by Step Solution
- Step 1: Write the proportion equation
554,432.02 : 831,640.74 = 133,704.52 : x - Step 2: Convert to fraction form
554,432.02/831,640.74 = 133,704.52/x - Step 3: Cross multiply
554,432.02x = 831,640.74 × 133,704.52 - Step 4: Simplify right side
554,432.02x = 111,194,125,954.15 - Step 5: Solve for x
x = 111,194,125,954.15/554,432.02 - Step 6: Final answer
x = 200,555.02
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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.