Finding the Fourth Proportional to 738,428.05, 1,107,641.76 and 177,462.55
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Solution
The fourth proportional to 738,428.05, 1,107,641.76 and 177,462.55 is: 266,193.75
Step by Step Solution
- Step 1: Write the proportion equation
738,428.05 : 1,107,641.76 = 177,462.55 : x - Step 2: Convert to fraction form
738,428.05/1,107,641.76 = 177,462.55/x - Step 3: Cross multiply
738,428.05x = 1,107,641.76 × 177,462.55 - Step 4: Simplify right side
738,428.05x = 196,564,931,216.09 - Step 5: Solve for x
x = 196,564,931,216.09/738,428.05 - Step 6: Final answer
x = 266,193.75
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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.