Finding the Fourth Proportional to 742,949.28, 1,114,425.36 and 181,985.76
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Solution
The fourth proportional to 742,949.28, 1,114,425.36 and 181,985.76 is: 272,978.99
Step by Step Solution
- Step 1: Write the proportion equation
742,949.28 : 1,114,425.36 = 181,985.76 : x - Step 2: Convert to fraction form
742,949.28/1,114,425.36 = 181,985.76/x - Step 3: Cross multiply
742,949.28x = 1,114,425.36 × 181,985.76 - Step 4: Simplify right side
742,949.28x = 202,809,546,102.87 - Step 5: Solve for x
x = 202,809,546,102.87/742,949.28 - Step 6: Final answer
x = 272,978.99
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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.