Finding the Fourth Proportional to 351,623.70, 527,435.55 and 185,735.70
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Solution
The fourth proportional to 351,623.70, 527,435.55 and 185,735.70 is: 278,603.55
Step by Step Solution
- Step 1: Write the proportion equation
351,623.70 : 527,435.55 = 185,735.70 : x - Step 2: Convert to fraction form
351,623.70/527,435.55 = 185,735.70/x - Step 3: Cross multiply
351,623.70x = 527,435.55 × 185,735.70 - Step 4: Simplify right side
351,623.70x = 97,963,611,084.14 - Step 5: Solve for x
x = 97,963,611,084.14/351,623.70 - Step 6: Final answer
x = 278,603.55
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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.