Finding the Fourth Proportional to 509,703.50, 764,541.49 and 125,455.78
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Solution
The fourth proportional to 509,703.50, 764,541.49 and 125,455.78 is: 188,180.28
Step by Step Solution
- Step 1: Write the proportion equation
509,703.50 : 764,541.49 = 125,455.78 : x - Step 2: Convert to fraction form
509,703.50/764,541.49 = 125,455.78/x - Step 3: Cross multiply
509,703.50x = 764,541.49 × 125,455.78 - Step 4: Simplify right side
509,703.50x = 95,916,148,970.31 - Step 5: Solve for x
x = 95,916,148,970.31/509,703.50 - Step 6: Final answer
x = 188,180.28
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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.