Finding the Fourth Proportional to 842,762.09, 1,264,154.79 and 274,146.16
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Solution
The fourth proportional to 842,762.09, 1,264,154.79 and 274,146.16 is: 411,223.03
Step by Step Solution
- Step 1: Write the proportion equation
842,762.09 : 1,264,154.79 = 274,146.16 : x - Step 2: Convert to fraction form
842,762.09/1,264,154.79 = 274,146.16/x - Step 3: Cross multiply
842,762.09x = 1,264,154.79 × 274,146.16 - Step 4: Simplify right side
842,762.09x = 346,563,181,324.11 - Step 5: Solve for x
x = 346,563,181,324.11/842,762.09 - Step 6: Final answer
x = 411,223.03
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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.